## College Physics (4th Edition)

Published by McGraw-Hill Education

# Chapter 2 - Section 2.2 - Graphical Vector Addition - Checkpoint - Page 30: 2.2

#### Answer

The vector sum is a force of $30~N$ directed south.

#### Work Step by Step

The two vectors point in opposite directions. The difference in magnitudes of the two vectors is $50~N - 20~N = 30~N$ Since the vector directed south has a larger magnitude, the vector sum is directed south. The vector sum is a force of $30~N$ directed south.

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