Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 6 - Force and Motion-II - Questions: 5a


The magnitude of the static frictional force acts upwards.

Work Step by Step

In order for the crate to remain stationary on the wall, there needs to be an equal force acting opposite to the force of gravity on the crate. The friction between the wall and the crate acts as this opposite force to gravity.
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