单词 | ton-force |
释义 | > as lemmaston-force ton-force n. (pl. tons-force) a unit of force equal to the weight of a mass of one ton, esp. under standard gravity. ΘΚΠ the world > matter > physics > mechanics > force > [noun] > units of force pound-weight1824 pound-force1865 gram weight1871 dyne1873 kilodyne1873 poundal1875 Gramme1884 Newton1904 kilogram force1905 gram force1909 kip1915 N1951 lbf1961 ounce-force1961 ton-force1961 1961 B.S.I. News Oct. 26/2 A similar distinction is made between..ton (no abbreviation) and ton-force (tonf). 1972 Physics Bull. May 285/1 The 50 tonf dead~weight standard was originally designed to give forces only in units of tons-force. < as lemmas |
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