Question

A block of mass 0.40 kg rests on the inclined surface of a wedge of mass 7.0 kg. The wedge is acted on by a horizontal force F with arrow and slides on a frictionless surface.

a)If the coefficient of static friction between the wedge and the block is µs = 0.30, and the angle of the incline is 35°, find the maximum and minimum values of F for which the block does not slip.

b)Repeat part (a) with µs = 0.10.

Not sure how to even start this problem.... how would you figure it out?

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