Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (3rd Edition)

Published by Pearson
ISBN 10: 0321740904
ISBN 13: 978-0-32174-090-8

Chapter 13 - Newton's Theory of Gravity - Conceptual Questions: 1

Answer

The earth's gravitational force on the sun is equal to the sun's gravitational force on the earth.

Work Step by Step

According to Newton's law of gravitation, the sun exerts a gravitational force of $F = \frac{G~M_s~M_e}{R^2}$ on the earth. Also, the earth exerts a gravitational force of $F = \frac{G~M_s~M_e}{R^2}$ on the sun. Therefore, the earth's gravitational force on the sun is equal to the sun's gravitational force on the earth.
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