Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 9 - Center of Mass and Linear Momentum - Questions - Page 245: 1b

Answer

+2N, rightwards

Work Step by Step

The center of mass is moving at a constant velocity, so net external force on the system must be equal to 0. Therefore, F1 + F2 + F3 = 0 -5 + 3 + F3 = 0 F3 = 2N A force of 2N acts on the third particle in the right direction.
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