Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 4 - Think and Rank: 54

Answer

a. Net force on each box, greatest to least: D, A=B=C b. Acceleration of each box, greatest to least: A=C, B=D

Work Step by Step

Calculate the net force for each box, with forces to the right being positive and forces to the left being negative. Presented in the order ABCD, they are 5 N, 5 N, 5 N, 10 N. Calculate the acceleration of each box from the net force. $$a = F/m$$ The acceleration for each box, presented in the order ABCD, is $1 \frac{m}{s^{2}}$, $0.5 \frac{m}{s^{2}}$, $1 \frac{m}{s^{2}}$, $0.5 \frac{m}{s^{2}}$.
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