{"id":1004,"date":"2020-04-30T17:11:49","date_gmt":"2020-04-30T16:11:49","guid":{"rendered":"https:\/\/blogs.ua.es\/jjrr2011\/?p=1004"},"modified":"2020-04-30T17:11:49","modified_gmt":"2020-04-30T16:11:49","slug":"chapter-9-problems","status":"publish","type":"post","link":"https:\/\/blogs.ua.es\/jjrr2011\/2020\/04\/30\/chapter-9-problems\/","title":{"rendered":"Chapter 9: Elasticity &#8211; Problems"},"content":{"rendered":"<p style=\"text-align: justify\"><span style=\"color: #000080\"><strong>After reading<\/strong><\/span> previous entry and <span style=\"color: #008000\"><strong>understanding<\/strong><\/span> the meaning of stress and strain, <strong>how to apply Hooke&#8217;s law to elastic solids<\/strong>, you should try to solve next exercises.<\/p>\n<p style=\"text-align: justify\"><span style=\"color: #800080\"><strong>EXERCISE 1:<\/strong><\/span> A steel wire has a length of 25 m and its cross-sectional area is 6 mm \u00d7 0.8 mm. Considering the effect of its own weight negligible, calculate the <strong>strain<\/strong> and the <strong>change in length<\/strong> when we applied a tension force of 6 kp. Young&#8217;s modulus of steel is 2.1\u00d710^6 kp\/cm^2.<\/p>\n<p><span style=\"color: #800080\"><strong>EXERCISE 2:<\/strong><\/span> Determine the <strong>elongation<\/strong> of a bar of uniform cross section <em><strong>S<\/strong><\/em> and length <strong><em>L<\/em><\/strong> which is hanging and subjected to its own weight.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>After reading previous entry and understanding the meaning of stress and strain, how to apply Hooke&#8217;s law to elastic solids, you should try to solve next exercises. EXERCISE 1: A steel wire has a length of 25 m and its cross-sectional area is 6 mm \u00d7 0.8 mm. Considering the effect of its own weight [&hellip;]<\/p>\n","protected":false},"author":2285,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[135920,135935,9333],"tags":[135937,135928],"class_list":["post-1004","post","type-post","status-publish","format-standard","hentry","category-aims","category-problems","category-subject","tag-elasticity","tag-equilibrium"],"_links":{"self":[{"href":"https:\/\/blogs.ua.es\/jjrr2011\/wp-json\/wp\/v2\/posts\/1004","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.ua.es\/jjrr2011\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.ua.es\/jjrr2011\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.ua.es\/jjrr2011\/wp-json\/wp\/v2\/users\/2285"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.ua.es\/jjrr2011\/wp-json\/wp\/v2\/comments?post=1004"}],"version-history":[{"count":5,"href":"https:\/\/blogs.ua.es\/jjrr2011\/wp-json\/wp\/v2\/posts\/1004\/revisions"}],"predecessor-version":[{"id":1009,"href":"https:\/\/blogs.ua.es\/jjrr2011\/wp-json\/wp\/v2\/posts\/1004\/revisions\/1009"}],"wp:attachment":[{"href":"https:\/\/blogs.ua.es\/jjrr2011\/wp-json\/wp\/v2\/media?parent=1004"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.ua.es\/jjrr2011\/wp-json\/wp\/v2\/categories?post=1004"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.ua.es\/jjrr2011\/wp-json\/wp\/v2\/tags?post=1004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}