205_Dynamics 11ed Manual

205_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 13 F N v' Find F N v' , () = F N 179.9 N = v' 5.442 m s 2 = Problem 13-78 The man has mass M and sits a distance d from the center of the rotating platform. Due to the rotation his speed is increased from rest by the rate v' . If the coefficient of static friction between his clothes and the platform is μ s , determine the time required to cause him to slip. Given: M 80 kg = s 0.3 = d 3m = D 10 m = v' 0.4 m s 2 = g 9.81 m s 2 = Solution: Guess t 1s = Given s Mg Mv' 2 M v' t 2 d 2 + = t Find t = t 7.394 s = Problem 13-79 The collar
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This note was uploaded on 08/16/2011 for the course EGN 3321 taught by Professor Christianfeldt during the Spring '08 term at University of Central Florida.

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