Essential University Physics: Volume 1 (4th Edition)

Published by Pearson
ISBN 10: 0-134-98855-8
ISBN 13: 978-0-13498-855-9

Chapter 4 - Section 4.2 - Newton’s First and Second Laws - Got It? - Page 58: 4.2

Answer

b)

Work Step by Step

Just like acceleration does not have to be in the direction of the motion of the object, the force does not have to be in the direction of the motion of an object. After all, I can pull a moving cart to try to speed it up, or I can pull in the opposite direction and try to stop it.
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