University Physics with Modern Physics (14th Edition)

Published by Pearson
ISBN 10: 0321973615
ISBN 13: 978-0-32197-361-0

Chapter 5 - Applying Newton's Laws - Problems - Discussion Questions - Page 159: Q5.8

Answer

It takes an equal force to start it moving.

Work Step by Step

Pushing it up or down the plane makes no difference when it comes to initiating motion. The opposing force of static friction is the same in each case. Once it starts moving, then it will begin sliding downhill.
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