Solved: The 20-lb block A and the 30-lb block B are supported by an incline that is held

Chapter 8, Problem 8.12

(choose chapter or problem)

The 20-lb block A and the 30-lb block B are supported by an incline that is held in the position shown. Knowing that the coefficient of static friction is 0.15 between all surfaces of contact, determine the value of for which motion is impending.

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