Conceptual Physics (12th Edition)

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

Chapter 4 - Think and Explain: 95


The metal sphere will be in dynamic equilibrium if the net force on it equals zero. This happens when it reaches terminal speed, and the downward gravitational force is equal and opposite to the fluid drag, which is directed upward.

Work Step by Step

This is discussed on pages 65-66.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.