8. A book is pushed a distance of 0.78 m by a force that gives the book an acceleration of 1.54 m/s². If 1.56 J of work is done on the book, what is the book's mass?

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Physics

21 July, 05:45

8. A book is pushed a distance of 0.78 m by a force that gives the book an acceleration of 1.54 m/s². If 1.56 J of work is done on the book, what is the book's mass?

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Answers (1)

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Grant Haney · Answer 1

1.29 kg

Explanation:

As we know that

W = FS

1.56 = F (0.78)

F = 1.56/0.78

F = 2 N

Now, According to the definition of Force

F = ma

then

m = F / a

m = 2 / 1.54

m = 1.29 kg