A sphere of mass 52 kg is attached to one end of a rope as shown in the figure b
ID: 2144957 • Letter: A
Question
A sphere of mass 52 kg is attached to one end of a rope as shown in the figure below. It is found that the rope does an amount of work
in pulling the sphere upward through a distance 6.8 m. Find the work done by the force of gravity on the sphere.
J
Explanation / Answer
Work done by the force of gravity = -mg.s = -52 * 9.8 * 6.8 = -3465.28 J
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