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You are here : AllRefer.com > Reference > Encyclopedia > Physics > horsepower
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horsepower, Physics

Related Category: Physics

horsepower, unit of power in the English system of units. It is equal to 33,000 foot-pounds per minute or 550 foot-pounds per second or approximately 746 watts. The term horsepower originated with James Watt, who determined by experiment that a horse could do 33,000 foot-pounds of work a minute in drawing coal from a coal pit.



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