Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (3rd Edition)

Published by Pearson
ISBN 10: 0321740904
ISBN 13: 978-0-32174-090-8

Chapter 5 - Force and Motion - Conceptual Questions - Page 134: 14


Up the wall.

Work Step by Step

Since the book is not moving, net forces on it should be zero. Since gravitational force is acting in the downward direction, to cancel this force, friction will act in an upward direction.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.