Answer
$$G \frac{m_{1} m_{2}}{(0.1 d)^{2}} = 100 \times G \frac{m_{1} m_{2}}{d^{2}}$$
If the distance, d, becomes 10 times smaller, the gravitational force becomes 100 times larger. Gravity is an inverse-square law.
Conceptual Physics (12th Edition)
by Hewitt, Paul G.
Published by
Addison-Wesley
ISBN 10:
0321909100
ISBN 13:
978-0-32190-910-7
Chapter 9 - Think and Solve - Page 178: 42
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