Physical Science

A machine you designed has an efficiency of 60%. What happens to 60% of the work put into the machine, and what happens to the other 40%?

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1. The 60% goes to do the work the machine is designed to do. The other 40% is lost to do the work and it goes out in the form of heat, light, etc.

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2. A pair of scissors is a compound machine.what two simple machines make up a pair of scissors

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