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: 3

Answer

We should increase the magnitude of F2.

Work Step by Step

Decreasing $\theta$ effectively increases the acceleration of the box to the right; this is because more of the force is acting to the right instead of up. To maintain constant velocity, F2 needs to match this increase in acceleration. To do this, F2 must be increased.
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