Physics and Engineering. A pound as a unit of force (esp. other than simply the force represented by an object's weight); = pound-force n. at pound…
单词 | θ75592 |
释义 | the world > matter > physics > mechanics > force > [noun] > units of force (15) pound-weight1824 Physics and Engineering. A pound as a unit of force (esp. other than simply the force represented by an object's weight); = pound-force n. at pound… pound-force1865 a unit of force equal to the weight of a mass of one pound avoirdupois, esp. under standard gravity (when it is equivalent to approx. 4.45 newtons)… gram weight1871 = gram force n. dyne1873 The unit of force in the centimetre-gramme-second (C.G.S.) system, i.e. a unit equivalent to that force which, acting for one second on a mass of… kilodyne1873 A measure of force equal to a thousand dynes. poundal1875 The unit of force in the foot-pound-second system, equal to the force which, when acting on a mass of one pound for a period of one second… Gramme1884 Used attributively to designate a form of dynamo armature introduced by Gramme in 1870 (Gramme ring, Gramme armature, Gramme winding, etc.). Newton1904 Physics. Chiefly with lower-case initial. A unit of force (now incorporated in the International System of Units), defined as the force that would… kilogram force1905 a unit of force equal to that exerted on a mass of 1 kilogram by standard gravity, equal to approx. 9.806 newtons. gram force1909 a unit of force equal to the weight of a mass of 1 gram, esp. under standard gravity; also called gram and gram weight. kip1915 A unit of force equal to the weight of 1,000 lb., used in expressing loads. N1951 Physics. In form N. = Newton, n. 5. lbf1961 †A pound sterling (obsolete); (now) a pound in weight. lbf n. the pound as a unit of force. lbm n. the pound as a unit of mass. ounce-force1961 a unit of force equal to the weight of a mass of one ounce, esp. under standard gravity; one-sixteenth of a pound-force. ton-force1961 a unit of force equal to the weight of a mass of one ton, esp. under standard gravity. |
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