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 - Problems and Conceptual Exercises - Page 141: 15


(a) Greater than. (b) Choice II.

Work Step by Step

According to Newton's Third Law, all forces cause an equal and opposite force. Since the forces are the same and $F=ma$, the acceleration must be equal to $a=\frac{F}{m}$. Therefore, as mass increases and force remains the same, the acceleration decreases. Since the car has less mass than the truck, the car will have larger acceleration.
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