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A student lifts a physical science book off the table and above their head. Is there work being done?
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A student lifts a physical science book off the table and above their head. Is there work being done?

User Martin Gerhardy
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Answer: A force must cause a displacement in order for work to be done. A book falls off a table and free falls to the ground. Yes. This is an example of work.

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User DeDee
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