| 单词 | mechanic power |
| 释义 | > as lemmasmechanic power ΘΚΠ society > occupation and work > equipment > machine > parts of machines > parts which provide power > [noun] > mechanical powers mechanical faculty1648 mechanic faculty1648 power1671 mechanic power1701 1701 J. Moxon Math. made Easie Mechanick Powers, or Mechanick Faculties are Six. 1704 J. Harris Lexicon Technicum I. (at cited word) The Six Mechanical Faculties; the Ballance, the Leaver, the Wheel, the Pulley, the Wedge, and the Screw; which are usually stiled the Six Mechanick Powers. 1710 J. Harris Lexicon Technicum II Powers Mechanick, of these there are five usually accounted, the Lever, the Balance, the Wedge or Inclined Plane, the Screw and the Pulley. 1754 Bp. T. Sherlock Disc. (1759) I. iv. 153 Few Workmen can demonstrate the mechanic Powers of the Instruments they use. 1825 ‘J. Nicholson’ Operative Mechanic 11 The pulley is the third mechanic power. 1856 R. W. Emerson Eng. Traits xiv. 141 They [sc. Englishmen] are incapable of an inutility, and respect the five mechanic powers even in their song. mechanic power 13. Mechanics. In full mechanical power, †mathematical power, †mechanic power, †power mechanic. Any of several simple contrivances by which force may be applied in a convenient way, commonly reckoned as the lever, wheel and axle, pulley, wedge, inclined plane, and screw; = machine n. 7. Now historical. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > parts which provide power > [noun] > mechanical powers mechanical faculty1648 mechanic faculty1648 power1671 mechanic power1701 the world > matter > physics > mechanics > force > [noun] > active mechanical force > ratio of load to force applied > mechanical advantage by use of machine machine1704 power1827 machine power1884 mechanical advantage1945 society > occupation and work > equipment > machine > machines which impart power > [noun] > power of power1839 1671 Philos. Trans. (Royal Soc.) 6 2286 The Five Mathematical Powers (as they are called) or noted Engines for the facilitation of Motion. 1704 J. Harris Lexicon Technicum I. (at cited word) The Six Mechanical Faculties;..which are usually stiled the Six Mechanick Powers. 1710 J. Harris Lexicon Technicum II Powers Mechanick, of these there are five usually accounted. 1727–41 E. Chambers Cycl. (at cited word) The mechanical powers, are the balance, lever, wheel, pully, wedge, and screw. 1805 Let. 13 July in William & Mary Q. (1936) 16 183 Occasional Lectures on the mechanic Powers, Hydraulics, Hydrostatics, [etc.]. 1827 N. Arnott Elements Physics I. 154 No mechanical power or machine generates force. 1839 G. Bird Elements Nat. Philos. 71 Inclined plane. The action of this mechanical power depends upon the simple principle [etc.]. 1960 Econ. Hist. Rev. 13 234 This revised section on mechanical powers was included in a second edition of The School of Arts. 1988 Proc. Amer. Philos. Soc. 132 413 Three air pumps, mechanical powers, electrical machine, pyrometers, [etc.]. < as lemmas |
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