Fundamentals of Physics Extended (10th Edition)

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

Chapter 5 - Force and Motion-I - Questions: 10c

Answer

Force $F_{32}$ is accelerating only 10kg to the right.

Work Step by Step

The normal force off of block 2 on to block 3 is only accelerating block 3 to the right. Therefore the total mass accelerated is the mass of block 3 alone (10kg).
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