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Solution: A box is at rest on a variable incline with μs = 0.4 and μk ...

Question

A box is at rest on a variable incline with μs = 0.4 and μk = 0.3. If the box has a mass of 2 kg, what is the maximum incline angle of the slope so that the box doesn't slide down?

A) 23.6°

B) 66.4°

C) 21.8°

D) 16.7°