Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 7 - Kinetic Energy and Work - Problems: 18b

Answer

200 Joules

Work Step by Step

The woman lifted a weight of 4000N a distance of 5cm, or 0.05m. Since W = Fd then the Work done is 4000N * 0.05m = 200 Joules.
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