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Why do you think mechanical energy only conserved in a “perfect” system? (What force in the real world causes energy to be transferred to the environment, and what type of energy is it?)
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Why do you think mechanical energy only conserved in a “perfect” system? (What force in the real world causes energy to be transferred to the environment, and what type of energy is it?)

User Steve Pasetti
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3 votes

Answer:

Mechanical energy is conserved in a perfect system only because of the absence of friction.

User Patrick Karcher
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