## Physics (10th Edition)

Published by Wiley

# Chapter 4 - Forces and Newton's Laws of Motion - Focus On Concepts - Page 112: 11

#### Answer

(a) is the correct answer.

#### Work Step by Step

The object weighs $784N$ on earth, so its mass is $$m=\frac{784}{9.8}=80kg$$ Mass is inherent to the object and is the same in all places. Therefore, the object's mass on Mercury is still $80kg$.

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