Slug (Mass)
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High Quality Content by WIKIPEDIA articles! The slug is a unit of mass associated with Imperial units. It is a mass that accelerates by 1 ft/sec2 when a force of one pound-force (lbf) is exerted on it. Therefore a slug has a mass of 32.17405 pound-mass or 14.5939 kg. The slug is part of a subset of coherent units known as the gravitational foot-pound-second system (FPS), one of several such specialized systems of mechanical units developed in the late 19th and the 20th century. See the article poundal for an explanation of the problem such English units were introduced to solve. The slug was f...
High Quality Content by WIKIPEDIA articles! The slug is a unit of mass associated with Imperial units. It is a mass that accelerates by 1 ft/sec2 when a force of one pound-force (lbf) is exerted on it. Therefore a slug has a mass of 32.17405 pound-mass or 14.5939 kg. The slug is part of a subset of coherent units known as the gravitational foot-pound-second system (FPS), one of several such specialized systems of mechanical units developed in the late 19th and the 20th century. See the article poundal for an explanation of the problem such English units were introduced to solve. The slug was first used in 1902 by Arthur Mason Worthington (1852 1916) in Dynamics of Rotation (OED), but it didn't see any significant use until decades later. A 1928 textbook says: "No name has yet been given to the unit of mass and, in fact, as we have developed the theory of dynamics no name is necessary. Whenever the mass, m, appears in our formulae, we substitute the ratio of the convenient force-acceleration pair (w/g), and measure the mass in lbs. per ft./sec.2 or in grams per cm./sec.2".
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