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March 31, 2015

Homework Help: physics

Posted by Lisa on Tuesday, February 28, 2012 at 4:29pm.

A horizontal force of magnitude F = 116 N is used to push a box of mass m = 9 kg from rest a distance d = 13 m?

1)How much work is done by the force on the box?
WF =

2) How much work is done on the box by the gravitational force during this same displacement?
Wg =

3) How much work is done by the normal force of the slope on the box during this displacement?
WN =

4) How fast is the box moving after this displacement?
v =

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