As a box is lifted against gravity and placed on a shelf, how does the work done by the lifter compare with the work done by gravity?  What is the net work done on the box?  What does this imply about its change in kinetic energy?  Use definitions and mathematics from this chapter to answer these questions.

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter6: Energy Of A System
Section: Chapter Questions
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As a box is lifted against gravity and placed on a shelf, how does the work done by the lifter compare with the work done by gravity?  What is the net work done on the box?  What does this imply about its change in kinetic energy?  Use definitions and mathematics from this chapter to answer these questions.

 

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