Answer
The sign of $\sum F_x$ is 0
Work Step by Step
The speed is not changing so the acceleration $a_x$ must be 0. Then the net force must also be 0. Therefore, the sign of $\sum F_x$ is 0
College Physics (4th Edition)
by Giambattista, Alan; Richardson, Betty; Richardson, Robert
Published by
McGraw-Hill Education
ISBN 10:
0073512141
ISBN 13:
978-0-07351-214-3
Chapter 3 - Multiple-Choice Questions - Page 110: 31
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