Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 7 - Work and Kinetic Energy - Conceptual Questions - Page 210: 6

Answer

Please see the work below.

Work Step by Step

We know that a frictional force does negative work when it acts in the opposite direction of the motion of a body. For example, when we push a bucket on the floor, negative work is done by the frictional force.
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