(a) What is the smallest force parallel to a 37 incline needed to keep a 100-N weight...

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(a) What is the smallest force parallel to a 37° incline needed to keep a 100-N weight from sliding down the incline if the coefficients of static and kinetic friction are both 0.30? 

(b) What parallel force is required to keep the weight moving up the incline at constant speed? 

(c) If the parallel pushing force is 94 N, what will be the acceleration of the object? 

(d) If the object in (c) starts from rest, how far will it move in 10 s?

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