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A force of 10.5 N is used to move a box on a horizontal, friction-free surface,...

A force of 10.5 N is used to move a box on a horizontal, friction-free surface, at a distance of 8.5 m. (a) Determine the work that the force performs on the box. (b) What work does the force do if you move the box on a 30 degree surface at a distance of 4.5 m? 10 point

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