Question: Determine the smallest couple moment which can be applied to the wheel of weight W1 that will cause impending motion. The cord is attached to

Determine the smallest couple moment which can be applied to the wheel of weight W1 that will cause impending motion. The cord is attached to the block of weight W2, and the coefficients of static friction are μB and μD.

Given:

W1 = 20 lb a = 1.5 ft

W2 = 30 lb b = 3 ft

μ B = 0.2 c = 1.5 ft

μD = 0.3

M D

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