{"id":1465,"date":"2023-09-22T15:14:00","date_gmt":"2023-09-22T09:44:00","guid":{"rendered":"http:\/\/physicscatalyst.com\/article\/?p=1465"},"modified":"2024-01-15T17:10:15","modified_gmt":"2024-01-15T11:40:15","slug":"solve-newtons-law-problems-2","status":"publish","type":"post","link":"https:\/\/physicscatalyst.com\/article\/solve-newtons-law-problems-2\/","title":{"rendered":"How to Solve Newton&#8217;s Second Law Problems"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"538\" height=\"249\" src=\"https:\/\/physicscatalyst.com\/article\/wp-content\/uploads\/2013\/09\/newton_second_law.png\" alt=\"Newton's Second Law Problems\" class=\"wp-image-4070\" srcset=\"https:\/\/physicscatalyst.com\/article\/wp-content\/uploads\/2013\/09\/newton_second_law.png 538w, https:\/\/physicscatalyst.com\/article\/wp-content\/uploads\/2013\/09\/newton_second_law-300x139.png 300w\" sizes=\"auto, (max-width: 538px) 100vw, 538px\" \/><\/figure>\n\n\n\n<p><span style=\"text-decoration: underline;\"><strong>Scope of the Newton&#8217;s Second Law Problems:<\/strong><\/span><br>Generally, the problem asks about <a href=\"https:\/\/physicscatalyst.com\/mech\/force.php#C2\">forces<\/a> or accelerations<\/p>\n\n\n\n<p><span style=\"text-decoration: underline;\"><strong>How to attack Newton&#8217;s Second Law Problems<\/strong><\/span><br>1) Draw one free body diagram for each object in the problem<\/p>\n\n\n\n<p>Read the following two posts to get the feel about the free body diagram<\/p>\n\n\n\n<p><a href=\"https:\/\/physicscatalyst.com\/article\/different-type-of-force-and-their-origin\/\"> Different Types of Force and There Origin<\/a><br><a href=\"https:\/\/physicscatalyst.com\/article\/free-body-diagrams\/\"> How To draw Free Body diagram<\/a><\/p>\n\n\n\n<p>Read the below Video for a Free body diagram also<\/p>\n\n\n<p><iframe loading=\"lazy\" title=\"What is Free body diagrams (FBD) | Physics  Force\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/60TwfnSwDKc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n\n\n\n<p><span style=\"text-decoration: underline;\"><em>Another important note on identifying the force<\/em><\/span><br>a) if the Object is touching a surface, There is a normal force for every surface touched. Normal acts from the surface through objects perpendicular to the surface of contact . The normal force is zero if and only if the object loses contact with the surface<\/p>\n\n\n\n<p>b) If the Object is on a rough surface, There is a frictional force point along the surface , If the object slides over the surface, there is kinetic or sliding friction, If the object does not slide relative to the surface, there is static friction<\/p>\n\n\n\n<p>c) If the Strings or ropes are attached to the object, There is a tension force. Ropes and strings can only pull . The direction of tension is from the object along the string<\/p>\n\n\n\n<p>2) Decide on a direction for the acceleration of each object<br>3) Choose axes such that one axis points in direction of the acceleration since a good choice of coordinates makes the problem easy to solve<br>4) Determine the x and y components of each force<br>5) Get an equation for the x components for each object using?F<sub>x<\/sub>=ma<sub>x<\/sub><br>6) Get an equation for the y components for each object using?F<sub>y<\/sub>=ma<sub>y<\/sub><br>7) Be careful of signs. Be consistent.<br>8) Solve the problem for the unknown<\/p>\n\n\n\n<p><span style=\"text-decoration: underline;\"><strong>Some More Tips<\/strong><\/span><br>1) It is helpful to put numbers at the end and solve the problem with the alphabet till the end<br>2) Be sure to keep track of the units. It should be the same on LHS and RHS<br>3) Always check the answer for dimensional accuracy<br>4) use symmetry present to simply the problem and calculation<\/p>\n\n\n\n<p><span style=\"text-decoration: underline;\"><strong>Watch the below on How to solve the force problem<\/strong><\/span><\/p>\n\n\n<p><iframe loading=\"lazy\" title=\"How to solve force problems using Newton&#039;s law of motions | Physics concepts | problem solving\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/Eis3PCDY9qQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n\n\n\n<p><span style=\"text-decoration: underline;\"><strong>Read the full-length Notes at the below Link<\/strong><\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/physicscatalyst.com\/mech\/newtons-laws-of-motion.php\">Newton&#8217;s Laws of Motion<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/physicscatalyst.com\/mech\/newtons-first-law-of-motion.php\">Newton&#8217;s First law of Motion<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/physicscatalyst.com\/mech\/newtons-first-law-of-motion.php#C2\">Inertia and Mass<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/physicscatalyst.com\/mech\/newtons-second-law-of-motion.php\">Newton&#8217;s second law of motion<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/physicscatalyst.com\/mech\/newtons-third-law-of-motion.php\">Newton&#8217;s third law of motion<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/physicscatalyst.com\/mech\/applying-newtons-laws-of-motion.php\">Applying Newton&#8217;s law of motion<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/physicscatalyst.com\/mech\/inertial-frame-of-reference.php\">Inertial frame of Reference<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/physicscatalyst.com\/mech\/inertial-frame-of-reference.php#C2\">Fictitious Forces<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/physicscatalyst.com\/mech\/laws-of-motion-examples-with-solutions.php\">Laws of Motion examples<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p><span style=\"text-decoration: underline;\"><strong>Scope of the Problem:<\/strong><\/span><br \/>\nGenerally the problem asks about forces or accelerations<\/p>\n<p><span style=\"text-decoration: underline;\"><strong>How to attack at the Problem<\/strong><\/span><br \/>\n1) Draw one free body diagram for each object in problem<\/p>\n<p>Read the following two post to get the feel about free body diagram<\/p>\n<p><a href=\"https:\/\/physicscatalyst.com\/article\/different-type-of-force-and-their-origin\/\"> Different Type of Force and There Origin<\/a><br \/>\n<a href=\"https:\/\/physicscatalyst.com\/article\/free-body-diagrams\/\"> How To draw Free Body diagram<\/a><\/p>\n<p>Read the below Video for Free body diagram also<\/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":"set","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 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[14,37],"tags":[],"class_list":["post-1465","post","type-post","status-publish","format-standard","hentry","category-physics","category-tips-and-tricks"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Solve Newton&#039;s Second Law Problems - physicscatalyst&#039;s Blog<\/title>\n<meta name=\"description\" content=\"This article serves as a comprehensive guide on How to Solve Newton&#039;s Second Law Problems, crucial for understanding the principles governing object movements.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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diagram&hellip;","_links":{"self":[{"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/posts\/1465","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/comments?post=1465"}],"version-history":[{"count":3,"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/posts\/1465\/revisions"}],"predecessor-version":[{"id":8745,"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/posts\/1465\/revisions\/8745"}],"wp:attachment":[{"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/media?parent=1465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/categories?post=1465"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/tags?post=1465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}