Asked by neris
A horizontal force of magnitude F = 164 N is used to push a box of mass m = 7 kg from rest a distance d = 17 m up a frictionless incline with a slope q = 31°.
How much work is done on the box by the gravitational force during this same displacement?
How much work is done on the box by the gravitational force during this same displacement?
Answers
Answered by
bobpursley
work= mg*changeinheight
work= mg*d*sinTheta
Notice the problem did not say at constant velocity.
work= mg*d*sinTheta
Notice the problem did not say at constant velocity.
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