{"id":5014,"date":"2025-06-28T16:10:34","date_gmt":"2025-06-28T10:40:34","guid":{"rendered":"https:\/\/study.madeeasy.in\/?p=5014"},"modified":"2025-07-22T11:28:51","modified_gmt":"2025-07-22T05:58:51","slug":"angle-of-friction-%cf%86","status":"publish","type":"post","link":"https:\/\/www.madeeasy.in\/study\/me\/strength-of-materials\/angle-of-friction-%cf%86","title":{"rendered":"Angle of Friction (\u03c6)"},"content":{"rendered":"<p style=\"text-align: justify;\">Consider a body A which is just about to move on plane under external applied force F. The W is the weight of the body, N is the normal force and f<sub>L<\/sub> is the limiting frictional force.<\/p>\n<p>The resultant force of N and f<sub>L <\/sub>may be represented by R\u2032 in magnitude and direction as shown in the figure.<\/p>\n<p>The \u03c6 is the angle between R\u2032 and N and it is known as angle of friction. The resultant force R\u2032 is given by<\/p>\n<p style=\"text-align: center;\">R\u2032 = \u221a N2 + f<sub>L<\/sub>2<\/p>\n<p>and its direction with respect to normal is given by<\/p>\n<p style=\"text-align: center;\">tan \u03c6 = f<sub>L<\/sub>\/N<\/p>\n<p style=\"text-align: center;\">but \u03bcs = f<sub>L<\/sub>\/N<\/p>\n<p style=\"text-align: center;\">Thus \u03c6= tan\u20131 (\u03bc<sub>s<\/sub>)<\/p>\n<p>This indicates that the friction coefficient is tangent of angle of <a href=\"https:\/\/study.madeeasy.in\/me\/strength-of-materials\/types-of-friction\/\" target=\"_blank\" rel=\"noopener\">friction<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Consider a body A which is just about to move on plane under external applied force F. The W is<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1619,10],"tags":[1627,1628,1629],"class_list":["post-5014","post","type-post","status-publish","format-standard","hentry","category-strength-of-materials","category-me","tag-angle-of-friction","tag-resultant-force","tag-tangent-of-angle"],"_links":{"self":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts\/5014","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/comments?post=5014"}],"version-history":[{"count":0,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts\/5014\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/media?parent=5014"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/categories?post=5014"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/tags?post=5014"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}