Question

Give three differences between acceleration due to gravity (g) and universal gravitational constant (G).

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Answer

Differences between g and G

Acceleration due to gravity (g) Universal gravitational constant (G)
1. Acceleration due to gravity is the acceleration acquired by a body due to the earth’s gravitational pull on it. Gravitational constant is numerically equal to the force of attraction between two masses of 1 kg that are separated by a distance of 1 m.
2. g is a vector quantity. G is a scalar quantity.
3. It is different at different places on the surface of the earth. Its value also varies from one celestial body to another. The ‘G’ is a universal constant, i.e., its value is the same (i.e. 6.7 x 10-11 Nm2 kg-2 ) everywhere in the universe.

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