The object is in motion, so its energy = kinetic energy = {1\over2}๐๐ฃ2
The kinetic energy of the object, when it comes to rest = 0.
Work done on objectย = change in kinetic energy
={1\over2}๐๐ฃ2 โ 0
={1\over2}๐๐ฃ2
Question
An object of mass, m is moving with a constant velocity, v. How much work should be done on the object in order to bring the object to rest?
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๐ก Some Related Questions
Illustrate the law of conservation of energy by discussing the energy changes which occur when we draw a pendulum bob to one side and allow it to oscillate. Why does the bob eventually come to rest? What happens to its energy eventually? Is it a violation of the law of conservation of energy?
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