College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 5 - Work and Energy - Learning Path Questions and Exercises - Multiple Choice Questions - Page 172: 2

Answer

d)

Work Step by Step

The most work is done when the angle between a particular force and displacement is 180 degrees. This is because the formula for finding work is force*displacement*$cos\theta$. As cos180 has the highest magnitude, most work is done when the angle is 180.
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