Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 5 - Reading Check Questions (Comprehension): 17

Answer

The friction force has the same magnitude as the resultant of the weight mg and the normal force N. The sum of friction, mg, and N is zero.

Work Step by Step

This is discussed on page 84 and shown in Figure 5.25.
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