Conceptual Physics (12th Edition)

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

Chapter 14 - Think and Discuss: 94



Work Step by Step

The two teams of horses used in the demonstration were there for dramatic purposes. The net force on the apparatus is zero, with a large force provided by one team of 9 horses pulling toward the right, and another large force provided by a team of 9 horses pulling toward the left. If one team were replaced by a tree, the force diagram for the apparatus would be identical.
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.