Conceptual Physics (12th Edition)

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

Chapter 2 - Think and Solve: 27

Answer

700 N.

Work Step by Step

Each scale reads 350 N, and their combined upward support force of 700 N on Lucy cancels out her downward weight of 700 N. $$ 350 N + 350 N - w = 0$$ $$w=700 N$$
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