{"id":23529,"date":"2026-03-11T08:01:48","date_gmt":"2026-03-11T12:01:48","guid":{"rendered":"https:\/\/www.purdue.edu\/freeform\/me274\/?p=23529"},"modified":"2026-03-14T16:17:36","modified_gmt":"2026-03-14T20:17:36","slug":"homework-h4-r-sp-26","status":"publish","type":"post","link":"https:\/\/www.purdue.edu\/freeform\/me274\/2026\/03\/11\/homework-h4-r-sp-26\/","title":{"rendered":"Homework H4.R &#8211; Sp 26"},"content":{"rendered":"<table style=\"width: 100%;border-collapse: collapse;background-color: #faf7f7;height: 40px\">\n<tbody>\n<tr style=\"height: 40px\">\n<td style=\"width: 100%;height: 40px\"><a href=\"https:\/\/www.purdue.edu\/freeform\/me274\/wp-content\/uploads\/sites\/15\/2026\/01\/Unsaved-Preview-Document-2-dragged-7.pdf\"><span style=\"font-size: 12pt\"><em><strong>Problem statement<\/strong><\/em><\/span><\/a><br \/>\n<span style=\"font-size: 12pt\"><em><strong><a href=\"https:\/\/youtu.be\/0aGCs6pagl4\">Solution video<\/a><br \/>\n<\/strong><\/em><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<p><em><strong><span style=\"font-size: 14pt\">DISCUSSION THREAD<\/span><\/strong><\/em><\/p>\n<div data-post-id=\"13542\" class=\"insert-page insert-page-13542 \"><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-13543 aligncenter\" src=\"https:\/\/www.purdue.edu\/freeform\/me274\/wp-content\/uploads\/sites\/15\/2022\/01\/Screen-Shot-2022-01-22-at-2.35.55-AM-300x213.jpg\" alt=\"\" width=\"300\" height=\"213\" srcset=\"https:\/\/www.purdue.edu\/freeform\/me274\/wp-content\/uploads\/sites\/15\/2022\/01\/Screen-Shot-2022-01-22-at-2.35.55-AM-300x213.jpg 300w, https:\/\/www.purdue.edu\/freeform\/me274\/wp-content\/uploads\/sites\/15\/2022\/01\/Screen-Shot-2022-01-22-at-2.35.55-AM-768x545.jpg 768w, https:\/\/www.purdue.edu\/freeform\/me274\/wp-content\/uploads\/sites\/15\/2022\/01\/Screen-Shot-2022-01-22-at-2.35.55-AM.jpg 876w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<hr \/>\n<p style=\"text-align: left\"><em><strong>Discussion and hints<br \/>\n<\/strong><\/em>Recall the following <span style=\"text-decoration: underline\"><em>f<\/em><em>our-step plan<\/em><\/span> outline in the lecture book and discussed in lecture:<\/p>\n<p><em><strong>Step 1: FBDs<\/strong><\/em><br \/>\nDraw a free body diagram of P.<\/p>\n<p><em><strong>Step 2: Kinetics (angular impulse\/momentum and work\/energy)<\/strong><\/em><br \/>\nNote that all forces acting on P in the plane of the table point toward \u00a0the fixed point O. What does this say about the angular momentum of P about point O? Also, consider the work\/energy equation for P.<\/p>\n<p><em><strong>Step 3: Kinematics<\/strong><\/em><br \/>\nThe kinematics of P are best written in terms of polar coordinates <em>R<\/em> and <em>\u03c6<\/em>.<\/p>\n<p><em><strong>Step 4: Solve<\/strong><\/em><br \/>\nSolve for the <em>R<\/em> and <em>\u03c6 <\/em>components of velocity of P from these equations.<\/p>\n<hr \/>\n<p>Any questions?<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Problem statement Solution video DISCUSSION THREAD<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-23529","post","type-post","status-publish","format-standard","hentry","category-chapter-4-homework"],"_links":{"self":[{"href":"https:\/\/www.purdue.edu\/freeform\/me274\/wp-json\/wp\/v2\/posts\/23529","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.purdue.edu\/freeform\/me274\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.purdue.edu\/freeform\/me274\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.purdue.edu\/freeform\/me274\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/www.purdue.edu\/freeform\/me274\/wp-json\/wp\/v2\/comments?post=23529"}],"version-history":[{"count":2,"href":"https:\/\/www.purdue.edu\/freeform\/me274\/wp-json\/wp\/v2\/posts\/23529\/revisions"}],"predecessor-version":[{"id":24310,"href":"https:\/\/www.purdue.edu\/freeform\/me274\/wp-json\/wp\/v2\/posts\/23529\/revisions\/24310"}],"wp:attachment":[{"href":"https:\/\/www.purdue.edu\/freeform\/me274\/wp-json\/wp\/v2\/media?parent=23529"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.purdue.edu\/freeform\/me274\/wp-json\/wp\/v2\/categories?post=23529"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.purdue.edu\/freeform\/me274\/wp-json\/wp\/v2\/tags?post=23529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}