Conceptual Physics (12th Edition)

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

Chapter 2 - Think and Rank: 32


C, A, B, D. In this solution, we assume that "least" means "most negative" and "most" means "most positive".

Work Step by Step

The net forces in the four situations are, from left to right: $$5 N - 10 N = -5N$$ $$3 N - 7 N = -4N$$ $$4 N - 12 N = -8N$$ $$3 N - 3 N = 0N$$
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