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Title: A person applies a constant force of 20 N to a rock of mass 1000 kg, for a total Post by: ppk on Apr 11, 2012 A person applies a constant force of 20 N to a rock of mass 1000 kg, for a total of 20 seconds. What is the work done by this person if the rock does not move at all by this applied force?
A) 1000 J B) 2000 J C) 20,000 J D) 0 J E) 400 J Title: Re: A person applies a constant force of 20 N to a rock of mass 1000 kg, for a total Post by: lewis on Apr 12, 2012 D
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