Conceptual Physics (12th Edition)

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

Chapter 9 - Think and Rank: 45


Force of attraction, greatest to least: B=C, A, D.

Work Step by Step

$$F_{A}= G \frac{M m}{d^{2}}$$ $$F_{B}= G \frac{(2M) m}{d^{2}} = 2 \times F_{A}$$ $$F_{C}= G \frac{M (2m)}{d^{2}} = 2 \times F_{A}$$ $$F_{D}= G \frac{M (2m)}{(2 d)^{2}} = 0.5 \times F_{A}$$
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