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April 24, 2014

Homework Help: PHYSICS - PLEASE HELP

Posted by Anonymous on Friday, November 30, 2012 at 11:19am.

A box of weight w=2.0 N accelerates down a rough plane that is inclined at an angle 30 degrees above the horizontal. The normal force acting on the box has a magnitude n= 1.7 N, the coefficient of kinetic friction between the box and the plane is .30, and the displacement d of the box is 1.8 m down the inclined plane.



A)What is the work W done on the box by the weight of the box?

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