Posted by **Abdul A.** on Friday, May 3, 2013 at 5:24pm.

A horizontal force of 150 N is used to push a 32.5-kg packing crate a distance of 4.95 m on a rough horizontal surface. If the crate moves at constant speed, find each of the following.

(a) the work done by the 150-N force?

(b) the coefficient of kinetic friction between the crate and the surface ?

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