## Conceptual Physics (12th Edition)

Published by Addison-Wesley

# Chapter 9 - Think and Rank: 45

#### Answer

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

#### Work Step by Step

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

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.