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.
$$ 350 N + 350 N - w = 0$$
$$w=700 N$$
Conceptual Physics (12th Edition) Clone
by Hewitt, Paul G.
Published by
Addison-Wesley
ISBN 10:
ISBN 13:
Chapter 2 - Think and Solve - Page 35: 27
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