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单词 acceleration due to gravity
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acceleration due to gravity
acceleration due to gravity n. Physics the acceleration imparted to a body by the gravitational force of a planet; spec. a standard value used for this acceleration on the surface of the earth, defined as exactly 9.80665 ms−2.
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1839 Civil Engineer & Architect's Jrnl. 2 384/1 The acceleration due to gravity was calculated; the actual acceleration moving down the plane was observed.
1925 Science 3 Apr. 355 Acceleration due to gravity = g = 9.80665 = 0.1019716−1 meter/sec2.
1990 S. F. Frautschi Mech. Universe vii. 151 What is the acceleration due to gravity on the surface of Mars?
2005 C. M. R. Fowler Solid Earth (ed. 2) v. 196 At the Earth's surface, the acceleration due to gravity has a value of about 9.81 m s−2.
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