{"id":4972,"date":"2019-01-17T10:23:01","date_gmt":"2019-01-17T04:53:01","guid":{"rendered":"https:\/\/physicscatalyst.com\/article\/?p=4972"},"modified":"2022-11-04T12:06:30","modified_gmt":"2022-11-04T06:36:30","slug":"what-is-acceleration-of-free-fall","status":"publish","type":"post","link":"https:\/\/physicscatalyst.com\/article\/what-is-acceleration-of-free-fall\/","title":{"rendered":"What is Acceleration of free fall"},"content":{"rendered":"<h2><strong>Free fall acceleration<\/strong><\/h2>\n<p>A body falling freely is solely acted by Earth Gravitational force. The falling body is accelerated\u00a0 by the Gravitational force and acceleration due to this gravitational force is called acceleration due to gravity.<\/p>\n<p>Acceleration due to gravity values slightly differs at different altitude and surface .For all practical calculation purpose, we take it\u00a0 approx\u00a0 9.8\u00a0m.s<sup>-2<\/sup> or 10m.s<sup>-2<\/sup> .Direction is always downwards. It is also denoted by letter\u00a0<strong>&#8216;g&#8217;<\/strong>.<\/p>\n<p>Freely falling motion of anybody under the effect of gravity is an example of uniformly accelerated motion.<br \/>\nThe kinematic equation of motion under gravity can be obtained by replacing acceleration\u00a0<strong>&#8216;a&#8217;<\/strong>\u00a0in equations of motion by acceleration due to gravity\u00a0<strong>&#8216;g&#8217;<\/strong>.<br \/>\nv=u+ gt<br \/>\nv<sup>2<\/sup>\u00a0= (u)<sup>2<\/sup>\u00a0+ 2gs<br \/>\ns = ut + \u00bd (gt<sup>2<\/sup>)<\/p>\n<p>Where<br \/>\nv=Final Velocity<br \/>\nu=Initial Velocity<br \/>\ng= Constant acceleration<br \/>\nt= time interval<br \/>\ns= displacement<\/p>\n<p>The value of g is taken positive when the body falls vertically downwards and negative when the body is projected up against gravity.<br \/>\nValue of g is equal to 9.8 m.s<sup>-2<\/sup>.<\/p>\n<div class=\"example\"><strong>Example -1<\/strong><br \/>\nAn object dropped from a cliff falls with a constant acceleration of 10 m\/s<sup>2<\/sup>. Find its speed 5 s after it was dropped<br \/>\n<strong>Solution<\/strong><br \/>\nIt is an example of Free Fall acceleration<br \/>\nu=0<br \/>\nt=5 s<br \/>\ng=10<br \/>\nv=?<br \/>\nFrom<br \/>\nv=u+ gt<br \/>\n=10\u00d75\u00a0 =50 m\/s<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Free fall acceleration A body falling freely is solely acted by Earth Gravitational force. The falling body is accelerated\u00a0 by the Gravitational force and acceleration due to this gravitational force is called acceleration due to gravity. Acceleration due to gravity values slightly differs at different altitude and surface .For all practical calculation purpose, we take [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[24],"tags":[],"class_list":["post-4972","post","type-post","status-publish","format-standard","hentry","category-general"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is Acceleration of free fall - physicscatalyst&#039;s Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/physicscatalyst.com\/article\/what-is-acceleration-of-free-fall\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Acceleration of free fall - physicscatalyst&#039;s Blog\" \/>\n<meta property=\"og:description\" content=\"Free fall acceleration A body falling freely is solely acted by Earth Gravitational force. 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The falling body is accelerated\u00a0 by the Gravitational force and acceleration due to this gravitational force is called acceleration due to gravity. 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