Conceptual Physics (12th Edition)

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

Chapter 2 - Think and Explain: 50

Answer

32 N. 8 N.

Work Step by Step

The strongest possible net force occurs when the forces are aligned. $$20 N + 12 N = 32 N$$ The weakest possible net force occurs when they point in opposite directions. $$20 N - 12 N = 8 N$$
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