What is the work done through the frictional force

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A boy pulls a 20-kg box with a force of 50-N @ 37 degrees above the horizontal surface. The coefficient of kinetic friction among the box and the horizontal surface is 0.15, and the box is pulled over a distance of 25m.

A) What is the work done by the boy? B) What is the work done through the frictional force? C) What is the net work done on the box?

Reference no: EM13668663

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