单词 | negative g |
释义 | > as lemmasnegative g negative g n. (also negative G) a force acting in opposition to the normal force of acceleration of free fall; (also) a force acting on the human body during acceleration, esp. in flight, so as to drive body fluids towards the head. ΘΚΠ the world > matter > physics > mechanics > force > gravity > [noun] > force equal to accelerating force > force resulting from deceleration negative g1952 1952 R. L. Christy in C. S. White & O. O. Benson Physics & Med. Upper Atmosphere 510 Certain unusual attitudes of the aircraft in which irregular accelerations, including negative g, are encountered. 1962 J. Glenn in J. Glenn et al. Into Orbit 71 We also made runs to simulate the forces of deceleration, or negative Gs. 1970 Daily Tel. 10 July (Colour Suppl.) 25/2 With a severe bout of negative G you get a red-out, when so many vessels burst that your vision becomes crimson and you see through a haze of blood. 1995 Current Concepts on G-protection Res. & Devel. (AGARD) May 2–2/2 ‘Red-out’..has never..been experienced first hand nor have any subjects participating in negative G trials..ever reported it. < as lemmas |
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