{"id":13468,"date":"2022-02-25T10:00:49","date_gmt":"2022-02-25T15:00:49","guid":{"rendered":"https:\/\/www.purdue.edu\/freeform\/me274\/?p=13468"},"modified":"2024-10-12T08:14:19","modified_gmt":"2024-10-12T12:14:19","slug":"homework-h4-g","status":"publish","type":"page","link":"https:\/\/www.purdue.edu\/freeform\/me274\/xx\/homework-h4-g\/","title":{"rendered":"Homework H4.B.4"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-13469 aligncenter\" src=\"https:\/\/www.purdue.edu\/freeform\/me274\/wp-content\/uploads\/sites\/15\/2022\/01\/Screen-Shot-2022-01-17-at-3.46.23-PM-300x204.jpg\" alt=\"\" width=\"300\" height=\"204\" srcset=\"https:\/\/www.purdue.edu\/freeform\/me274\/wp-content\/uploads\/sites\/15\/2022\/01\/Screen-Shot-2022-01-17-at-3.46.23-PM-300x204.jpg 300w, https:\/\/www.purdue.edu\/freeform\/me274\/wp-content\/uploads\/sites\/15\/2022\/01\/Screen-Shot-2022-01-17-at-3.46.23-PM.jpg 496w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><em><strong>Discussion and hints:<\/strong><\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" style=\"border: 1px solid #000000\" src=\"https:\/\/www.purdue.edu\/freeform\/me274\/wp-content\/uploads\/sites\/15\/2022\/02\/H4B_04.gif\" width=\"606\" height=\"419\" \/><\/p>\n<p>The constant applied force <em>F<\/em> acts only in the negative x-direction (where x is defined as being positive to the right). Therefore, as explained in the lecture book, the work done by <em>F<\/em> is simply the force multiplied by the distance traveled by the block in the negative\u00a0<em>x<\/em>-direction. From the above animation of the simulation results, when the block is on the left side of the track, the work done is positive, and when the block is on the right side of the track, the work is negative. The work done by F is to be found in the Step 2 of your analysis.<\/p>\n<p>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: FBD<\/strong><\/em><br \/>\nDraw a\u00a0free body diagram of the block. Which, if any, forces do non-conservative work on this system? Can you justify this from the FBD?<\/p>\n<p><em><strong>Step 2: Kinetics (work\/energy equation)<\/strong><\/em><br \/>\nWrite down the work energy equation for the block. Consider the above discussion when calculating the work done by the force <em>F<\/em>.<\/p>\n<p><em><strong>Step 3: Kinematics<\/strong><\/em><br \/>\nWhat is the horizontal distance traveled by the block?<\/p>\n<p><em><strong>Step 4: Solve<\/strong><\/em><br \/>\nSolve your work\/energy equation for the speed of the block.<\/p>\n<hr \/>\n<p>Any questions??<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Discussion and hints: The constant applied force F acts only in the negative x-direction (where x is defined as being positive to the right). Therefore, as explained in the lecture book, the work done by F is simply the force multiplied by the distance traveled by the block in the negative\u00a0x-direction. From the above animation &hellip; <a href=\"https:\/\/www.purdue.edu\/freeform\/me274\/xx\/homework-h4-g\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Homework H4.B.4<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":10,"featured_media":0,"parent":14940,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-13468","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.purdue.edu\/freeform\/me274\/wp-json\/wp\/v2\/pages\/13468","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.purdue.edu\/freeform\/me274\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.purdue.edu\/freeform\/me274\/wp-json\/wp\/v2\/types\/page"}],"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=13468"}],"version-history":[{"count":6,"href":"https:\/\/www.purdue.edu\/freeform\/me274\/wp-json\/wp\/v2\/pages\/13468\/revisions"}],"predecessor-version":[{"id":15135,"href":"https:\/\/www.purdue.edu\/freeform\/me274\/wp-json\/wp\/v2\/pages\/13468\/revisions\/15135"}],"up":[{"embeddable":true,"href":"https:\/\/www.purdue.edu\/freeform\/me274\/wp-json\/wp\/v2\/pages\/14940"}],"wp:attachment":[{"href":"https:\/\/www.purdue.edu\/freeform\/me274\/wp-json\/wp\/v2\/media?parent=13468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}