College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 6 - Multiple-Choice Questions - Page 226: 6

Answer

The correct answer is: (c) negative

Work Step by Step

As Pluto moves from the perihelion to the aphelion, the kinetic energy decreases as Pluto slows down. Since the change in Pluto's kinetic energy is negative, the work done by gravity is negative. The correct answer is: (c) negative
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