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| | Pound (Site not responding. Last check: 2007-10-24) |
 | | The pound (avoirdupois) or international pound, abbreviation "lb" or sometimes in the United States, is the mass unit defined as exactly 0.45359237 kilograms (or 453.59237 grams). |
 | | Main article: kilogram In many countries that use the SI or metric system, the Pound (or its translation, for example, the German Pfund, the French livre, or the Dutch pond) is used as an informal term for half of a kilogram, therefore for this case the Pound is 500 grams. |
 | | Although the U.S. National Bureau of Standardshttp://www.ngs.noaa.gov/PUBS_LIB/FedRegister/FRdoc59-5442.pdf has defined the Pound as a unit of mass, and the pound-force as a unit of force, this distinction is not widely recognized among working physicists, because the fps system has not been used in physics, even in the U.S., since the early 20th century. |
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