Conceptual Physics (12th Edition)

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

Chapter 9 - Think and Explain: 85

Answer

Your weight would decrease.

Work Step by Step

Inside of a spherical shell, the gravitational field is zero. You are effectively within a spherical shell whose thickness is the depth of the mine shaft, and standing on the surface of a smaller planet of the same density, so you are lighter. Your weight will decrease the closer you are to the Earth’s center. This is discussed on pages 171-172, and shown in Figure 9.23.
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