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: 1a

Answer

+2N, rightwards

Work Step by Step

F1 = -5N, F2 = +3N, F3 = ? The center of mass is stationary, thus the net external force on the system is zero: F1 + F2 + F3 = 0 -5N + 3N + F3 = 0 F3 = 2N Hence, a force of 2N is acting on the third particle in the right direction.
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