Conceptual Physics (12th Edition)

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

Chapter 4 - Think and Explain - Page 71-72: 81

Answer

No. Yes.

Work Step by Step

a. Air resistance is acting. This is a force other than gravity, so the skydiver is not in free fall. b. The satellite feels only one force, due to gravity. It actually is falling, but as it moves forward, the Earth's surface is curving away underneath it in such a way that the satellite gets no closer to the ground.
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