Chemistry, asked by smarikagmailcom, 2 months ago

The efficiency of a machine can be increased by applying oil or grease.why?​

Answers

Answered by jubedabegum87355
5

Answer:

Friction is the main factor which reduces the efficiency of a simple machine. Efficiency of a simple machine can be increased by reducing the friction. But oiling and greasing the machine is a useful way to increase the efficiency of a machine.

Explanation:

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Answered by manojdg1983
3

Answer:

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Explanation:

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