when a book falls from a shelf to the ground without anyone pushing on it, no work is done to the book. True or False

Question

Jameson Raymond

Physics

6 April, 03:59

when a book falls from a shelf to the ground without anyone pushing on it, no work is done to the book. True or False

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Answers (1)

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Macy · Answer 1

That's false.

- - The force on the book is its weight.

- - The force acts through the distance the book falls.

- - The work done on the book is

(weight) x (length of the fall)

- - Gravity DOES the work.