Question: A windlass, 200 feet above ground level on the top of a building, uses a cable weighing 5 pounds per foot. Find the work done

A windlass, 200 feet above ground level on the top of a building, uses a cable weighing 5 pounds per foot. Find the work done in winding up the cable when
(a) One end is at ground level.
(b) There is a 300-pound load attached to the end of the cable.

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