importance of gravitational constant
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The gravitational constant is the proportionality constant used in Newton’s Law of Universal Gravitation, and is commonly denoted by G. This is different from g, which denotes the acceleration due to gravity. In most texts, we see it expressed as:
G = 6.673×10-11 N m2 kg-2
It is typically used in the equation:
F = (G x m1 x m2) / r2 , wherein
F = force of gravity
G = gravitational constant
m1 = mass of the first object (massive one)
m2 = mass of the second object (the smaller one)
r = the distance between the two masses
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