Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 5 - Newton's Laws of Motion - Conceptual Questions - Page 139: 11

Answer

Please see the work below.

Work Step by Step

We know that the net force exerted on the cart is the force exerted on it by Mr. Ed (minus friction) and thus the cart should move. In fact, the equal and opposite reaction force acts on Mr. Ed -- it does not cancel the force acting on the cart.
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