Conceptual Physics (12th Edition)

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

Chapter 2 - Reading Check Questions (Comprehension) - Page 35: 9

Answer

The net force is 70 pounds to the right. Picking an axis in the x-direction, a force to the right is +100 pounds, and a force to the left is -30 pounds. The net force, their sum, is 70 pounds.

Work Step by Step

The explanation of a similar situation is discussed on page 28.
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