magnitude N direction ---Select---updownin the same direction as the motion of t

Question

magnitude N direction ---Select---updownin the same direction as the motion of the cratein the opposite direction as the motion of the crate A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.860 m/s encounters a rough horizontal surface of length = 0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.360 and he exerts a constant horizontal force of 291 N on the crate, find the following. (a) Find the magnitude and direction of the net force on the crate while it is on the rough surface. (b) Find the net work done on the crate while it is on the rough surface. (c) Find the speed of the crate when it reaches the end of the rough surface.

Explanation / Answer

(a) By F(net) = F(applied) - F(friction)
=>F(n) = 291 -

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