{"id":287,"date":"2022-11-05T07:48:30","date_gmt":"2022-11-05T07:48:30","guid":{"rendered":"https:\/\/successrouter.com\/articles\/?p=287"},"modified":"2022-11-05T07:48:32","modified_gmt":"2022-11-05T07:48:32","slug":"acceleration","status":"publish","type":"post","link":"https:\/\/successrouter.com\/articles\/acceleration\/","title":{"rendered":"Acceleration"},"content":{"rendered":"<h2 class=\"simpletoc-title\">Table of Contents<\/h2>\n<ul class=\"simpletoc-list\">\n<li><a href=\"#what-is-acceleration\">What is acceleration ?<\/a>\n<ul><li>\n<a href=\"#units-of-acceleration\">Units of acceleration<\/a><\/li>\n<\/ul>\n<\/li>\n<li><a href=\"#different-types-of-acceleration\">Different Types of Acceleration:<\/a>\n<ul><li>\n<a href=\"#i-uniform-acceleration\">(i) Uniform acceleration<\/a><\/li>\n<li><a href=\"#ii-variable-acceleration\">(ii) Variable acceleration<\/a><\/li>\n<li><a href=\"#iii-average-acceleration\">(iii) Average acceleration<\/a><\/li>\n<li><a href=\"#iv-instantaneous-acceleration\">(iv) Instantaneous acceleration<\/a><\/li>\n<\/ul>\n<\/li>\n<li><a href=\"#positive-and-negative-accelerations\">Positive and Negative Accelerations<\/a>\n<ul><li>\n<a href=\"#positive-acceleration\">Positive acceleration<\/a><\/li>\n<li><a href=\"#negative-acceleration\">Negative acceleration<\/a><\/li>\n<\/ul>\n<\/li><\/ul>\n\n<h3 class=\"wp-block-heading\" id=\"what-is-acceleration\">What is acceleration ?<\/h3>\n\n\n<p>The rate of change of velocity on object with time is called its acceleration. It tells how fast the Velocity of an object changes with time.<\/p>\n\n\n\n<p>Acceleration = Change in velocity \/ Time taken<\/p>\n\n\n\n<p>Acceleration is a vector quantity. It has the same direction as that of the change in velocity.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"units-of-acceleration\">Units of acceleration<\/h4>\n\n\n<p>The SI unit of acceleration is ms<sup>-2<\/sup>.<\/p>\n\n\n\n<p>The CGS unit of acceleration is cm s<sup>-2<\/sup>.<\/p>\n\n\n\n<p>The dimensional formula of acceleration is [M<sup>0<\/sup>L<sup>1<\/sup>T<sup>-2<\/sup>].<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"different-types-of-acceleration\">Different Types of Acceleration:<\/h3>\n\n<h4 class=\"wp-block-heading\" id=\"i-uniform-acceleration\">(i) Uniform acceleration<\/h4>\n\n\n<p>The acceleration of an object is said to be uniform acceleration if its velocity changes by equal amounts in equal intervals of time, however small these time intervals may be.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"ii-variable-acceleration\">(ii) Variable acceleration<\/h4>\n\n\n<p>The acceleration of an object is said to be variable acceleration if its velocity changes by unequal amounts in equal intervals of time.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"iii-average-acceleration\">(iii) Average acceleration<\/h4>\n\n\n<p>For an object moving with variable velocity, the average acceleration is defined as the ratio of the total change in velocity of the object to the total time interval taken. Suppose v<sub>1<\/sub> and v<sub>2<\/sub> are the velocities of an object at times t<sub>1<\/sub> and t<sub>2<\/sub> respectively, then its average acceleration is<\/p>\n\n\n\n<p>a<sub>av<\/sub> = \u0394v\/\u0394t<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"iv-instantaneous-acceleration\">(iv) Instantaneous acceleration<\/h4>\n\n\n<p>The acceleration of an object at a given instant of time or at a given point of its motion, is called its instantaneous acceleration. It is equal to the limiting value of the average acceleration of the object in small time interval around that instant, when the time interval approaches zero. Thus<\/p>\n\n\n\n<p>a = dv\/dt = d<sup>2<\/sup>x\/dt<sup>2<\/sup> <\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"positive-and-negative-accelerations\">Positive and Negative Accelerations<\/h3>\n\n<h4 class=\"wp-block-heading\" id=\"positive-acceleration\">Positive acceleration<\/h4>\n\n\n<p>If the velocity of an object increases with time, its acceleration is positive. When a bus leaves a bus-stop, its acceleration is positive.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"negative-acceleration\">Negative acceleration<\/h4>\n\n\n<p>If the velocity of an object decreases with time, its acceleration is negative. Negative acceleration is also called retardation or deceleration. When a bus slows down on approaching a bus-stop, its acceleration is negative.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is acceleration ? The rate of change of velocity on object with time is called its acceleration. It tells how fast the Velocity of an object changes with time. Acceleration = Change in velocity \/ Time taken Acceleration is a vector quantity. It has the same direction as that of the change in velocity. &#8230; <a title=\"Acceleration\" class=\"read-more\" href=\"https:\/\/successrouter.com\/articles\/acceleration\/\" aria-label=\"More on Acceleration\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[37],"_links":{"self":[{"href":"https:\/\/successrouter.com\/articles\/wp-json\/wp\/v2\/posts\/287"}],"collection":[{"href":"https:\/\/successrouter.com\/articles\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/successrouter.com\/articles\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/successrouter.com\/articles\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/successrouter.com\/articles\/wp-json\/wp\/v2\/comments?post=287"}],"version-history":[{"count":3,"href":"https:\/\/successrouter.com\/articles\/wp-json\/wp\/v2\/posts\/287\/revisions"}],"predecessor-version":[{"id":290,"href":"https:\/\/successrouter.com\/articles\/wp-json\/wp\/v2\/posts\/287\/revisions\/290"}],"wp:attachment":[{"href":"https:\/\/successrouter.com\/articles\/wp-json\/wp\/v2\/media?parent=287"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/successrouter.com\/articles\/wp-json\/wp\/v2\/categories?post=287"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/successrouter.com\/articles\/wp-json\/wp\/v2\/tags?post=287"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}