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lesya692 [45]
4 years ago
6

When a book sits on a shelf, what force (if any) does the shelf exert on the book? A. friction B. a normal force C. an action fo

rce D. The weight of the book
Physics
1 answer:
Bond [772]4 years ago
6 0

Answer:

B

Explanation:

it is a balenced force that holds the book up

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