energy & power library
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Featured Article: Energy supply
Energy supply is the total quantity of usable energy available to people for doing work. See more »
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Efficiency
Efficiency, in engineering and physics, is the ratio of the work we get out of a machine to the amount of energy put into the machine.
See more »Energy supply
Energy supply is the total quantity of usable energy available to people for doing work.
See more »Work
Work, in physics, is a result of a force moving an object through a distance against a resistance.
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