If the 75-lb girl is at position d = 4 ft, determine the minimum coefficient of static

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If the 75-lb girl is at position d = 4 ft, determine the minimum coefficient of static friction ?_s at contact points A and B so that the plank does not slip. Neglect the weight of the plank

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Engineering Mechanics Statics

ISBN: 978-0136077909

12th Edition

Authors: R. C. Hibbeler

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Question Posted: Oct 04, 2011 12:07 PM

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If the 75-lb girl is at position d = 4 ft, determine the minimum coefficient of static

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60% 45° 12 ft

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FreeBody Diagram Here we will assume that the plank is on ...View the full answer

Engineering Mechanics Statics

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