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A woman exerts a horizontal force of 141 N on a crate with a mass of 30.7 kg (a) If the crate doesnt move, whats the magnitude of the static friction force (in N)? (b) What is the minimum possible value of the coefficient of static friction between the crate and the foor? (ASsume the crate remains stationary.) A block of mass 59.1 kg rests on a slope having an angle of elevation of 20.3. If pushing downhill on the block with a force just exceeding 172 N and parallel to the slope is sufficient to cause the block to start moving, find the coefficient of static friction.

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