A desperate hiker has to think fast to help his friend who has fallen below him. Quickly,
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A desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties a rope to a rock mr= 402 kg and makes his way over the ledge (see figure). If the coefficient of static friction between the rock and ground is μs= 0.322, and the mass of the hiker is μh=74.9 kg, what is the maximum mass of the friend, mf,that the rock can hold so the hikers can then make their way up over the ledge? Assume the rope is parallel to the ground and the point where the rope passes over the ledge is frictionless.
Related Book For
Accounting
ISBN: 978-0324662962
23rd Edition
Authors: Jonathan E. Duchac, James M. Reeve, Carl S. Warren
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