## Physics: Principles with Applications (7th Edition)

Published by Pearson

# Chapter 5 - Circular Motion; Gravitation - Questions: 13

#### Answer

a. Yes; Equal and opposite to the force of the earth on the apple. b. Yes; The weight of the apple.

#### Work Step by Step

a. Yes, by Newton’s third law, regardless of the apple’s state of motion, it exerts a gravitational force on the Earth equal in magnitude to the force that the Earth exerts on it. b. The latter force is what we refer to as the weight of the apple.

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