horsepower

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horsepower

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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horsepower

The Oxford Dictionary of Phrase and Fable | 2006 | | Â© The Oxford Dictionary of Phrase and Fable 2006, originally published by Oxford University Press 2006. (Hide copyright information) Copyright

horsepower an imperial unit of power equal to 550 foot-pounds per second (about 750 watts); the power of an engine measured in terms of this.

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ELIZABETH KNOWLES. "horsepower." The Oxford Dictionary of Phrase and Fable. Oxford University Press. 2006. Encyclopedia.com. 21 Dec. 2009 <http://www.encyclopedia.com>.

ELIZABETH KNOWLES. "horsepower." The Oxford Dictionary of Phrase and Fable. Oxford University Press. 2006. Encyclopedia.com. (December 21, 2009). http://www.encyclopedia.com/doc/1O214-horsepower.html

ELIZABETH KNOWLES. "horsepower." The Oxford Dictionary of Phrase and Fable. Oxford University Press. 2006. Retrieved December 21, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O214-horsepower.html

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