how is acceleration due to gravity on the surface of the earth related to its mass n radius?
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Newton's law of gravitation (universal) = F = G M m / d^2
The force on an object by Earth's mass is = m g, where g = acceleration due to gravity. m = mass of object. M = mass of Earth.
So g = G M / R^2,
R = radius of Earth = distance between center of Earth and the object.
The force on an object by Earth's mass is = m g, where g = acceleration due to gravity. m = mass of object. M = mass of Earth.
So g = G M / R^2,
R = radius of Earth = distance between center of Earth and the object.
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