24-04-2017
Physics

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Explain why adding oil to the moving parts of a machine can increase its efficiency

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Аноним Аноним

24-04-2017

Adding oil to the moving parts of machines can do that because it makes it smoother and takes the rust off of it.

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24-04-2017

Because oil reduces loss of input work caused due to frictional heat and more output work will be done

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