Conceptual Physics (12th Edition)

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

Chapter 9 - Think and Explain: 69


You disagree.

Work Step by Step

The force of gravity on orbiting astronauts is about 90% as strong as it is at Earth’s surface. (This was calculated in a problem earlier in this chapter, #43.) They feel weightless because they are in free fall and there is no support force.
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