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Was work done on a book that fell from a desk to the floor? If so, what force was involved?
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5 votes
Was work done on a book that fell from a desk to the floor? If so, what force was involved?

User Anton Dozortsev
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8.1k points

2 Answers

4 votes
Potential i think.
G=m*g
where g=9.81 N
User Hdost
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8.5k points
6 votes
Sure !
The work is (weight of the book) x (height of the desk above the floor).
The force (weight) is the result of gravity.
It was gravity that did the work.
User Orlandito
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8.6k points
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