Conceptual Physics (12th Edition)

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

Chapter 2 - Think and Solve: 29

Answer

300 N.

Work Step by Step

The scaffold is in equilibrium, and the sum of the forces on it is zero. The upward forces are 400 N + 400 N, and the downward forces are 500 N and the weight w of the scaffold. $$400 N + 400 N - 500 N - w = 0$$ $$w = 300 N$$
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.