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a boy pulls a 20 -kg box with a 50- N force at 37( degree)above a horizontal surface . The coefficient of kinetic frictionthe between the box and the horizontal surface is 0.15 , and thebox is pulled over a distance of 25m.
a) What is the work done bythe boy?
b) what is the work done by the frictional force?
c) What is the net work done on the box?
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