Conceptual Physics (12th Edition)

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

Chapter 9 - Reading Check Questions (Comprehension): 3

Answer

The moon would follow a straight line if the Eath were not pulling on it via gravity. The moon's observed circular path is the moon continuously falling away from that straight line path.

Work Step by Step

This is discussed on page 161.
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