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The force of attraction between any two bodies in the universe, varying directly as the product of their masses and inversely as the square of the distance between their centers; expressed as F = Gm1m2l -2, where G (newtonian constant of gravitation) = 6.67259 × 10-11 m3 kg-1 s-2, m1 and m2 are the masses (in kg) of the two bodies, and l is the distance separating them in meters.
[L. gravitas, weight]


(grăv″ĭ-tā′shŭn) [L. gravitas, weight]
The force and movement tending to draw every particle of matter together, esp. the attraction of the earth for bodies at a distance from its center.
References in periodicals archive ?
z]], the acceleration measured by the acceleration sensor, includes various types of acceleration in accordance with the acceleration of gravity and the acceleration of the sensor.
Faller, Laser-interferometer system for the determination of the acceleration of gravity, IEEE J.
Differences of temporal changes of acceleration of gravity with initial values from measurement carried out in 1993 are presented in Table 2.
Using a highly accurate atomic clock to time their fall, Kasevich can calculate the acceleration of gravity to within 3 parts in 100 million.
With a +/-2 g range, it is capable of measuring the static acceleration of gravity for tilt-sensing applications, as well as dynamic acceleration resulting from motion, shock, or vibration.
f] is the standard uncertainty associated with the applied force, due to uncertainties in the mass calibration and adjustment of the dead weights and to uncertainties in the air density and the acceleration of gravity.

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