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A student holds a 15 kg bowling ball 1.5 m above the ground for 15 s. How much work is doneon the bowling ball?
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43 votes
43 votes
A student holds a 15 kg bowling ball 1.5 m above the ground for 15 s. How much work is doneon the bowling ball?

User Fred Hors
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1 Answer

4 votes
4 votes

As the student is just holding the ball at a certain height from the ground. Therefore, the ball have potential energy and there is not any change in energy of the ball.

Since the work done on the ball is equal to the change in energy of the ball therefore, work done on the ball is zero.

User Poyan
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