## Conceptual Physics (12th Edition)

Published by Addison-Wesley

# Chapter 4 - Think and Explain: 72

#### Answer

Answers will vary. One kg of mass has a weight of 2.2 pounds at the Earth’s surface. For example, if you weigh 154 pounds, your mass is $(154 lb)/(2.2 lb/kg) = 70 kg$. Your weight in newtons, using $weight = mg, is (70 kg)(10 N/kg) = 700 N$.

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