Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 4 - Section 4.2 - Newton’s First and Second Laws - Got It? - Page 55: 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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