A block of mass M is pushed up a ramp by a person exerting a constant horizontal force Fo. The coefficients of static and kinetic friction between the block and the ramp are µs and μk. The applied force is strong enough to slide the block. Fo M (0 (a) Draw the force diagram (a.k.a. free body diagram) for the block as it is pushed up the ramp. Clearly label the forces involved. (b) Find the acceleration of the block as it is pushed up the ramp. (c) Suppose that part way up the ramp, the person stops pushing the block (i.e., F = 0), after which the block comes to a stop and does not slide back down the ramp. As the block sits at rest, what is force of friction acting on the block?

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: