Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 7 - Exercises and Problems: 10

Answer

Please see the work below.

Work Step by Step

(a) We know that $W=\mu mg(2L) =2\mu mgL$ (b)$W=\mu mg(\sqrt2 L)=\sqrt 2 \mu mgL$
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