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- Efficiency of Machines
The measure of a machine’s energyEnergy is the ability to do work. Energy exists in several forms such as heat, kinetic or mechanical energy, light, potential energy, and electrical energy. Units of Energy: The SI unit... More effectiveness is the ratio of the amount of energy used by a machine to the amount of work done by it.
Another factor that people sometimes compute for machines is their efficiency or the ratio of the work that results, to the amount of work put into the machine.
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