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If the effects of heat and friction are ignored, the amount of work output is always _______ the amount of work input, even when using a simple machine. A. the same as B. less than C. It changes by situation.
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If the effects of heat and friction are ignored, the amount of work output is always _______ the amount of work input, even when using a simple machine. A. the same as B. less than C. It changes by situation. D. greater than

User Birdamongmen
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Answer:

A

Step-by-step explanation:

User Dan Carlson
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