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Distinguish between g and G....

Distinguish between `g` and `G`.

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g' stands for acceleration due to gravity. It is denfined as the acceleration set up in a body while defined freely under the effact of gravity alone. The value of `g` change with height, depth and rotation of the Earth and is zero at the centre of rotation of the Earth and is zero at the centre of the Earth. The value of `g` on the surface a Earth is taken `9.8 ms^(-2)` or `980 cm//s^(2). g` is a vector quantity.
`G` satnds for universel gravitantional constant. It is denfined as the force of attraction acting between two bodies each of unit mass placed unit distance apart. The value of `G` is constant at all locations. The value of `G` is never zero any where. The value of `G = 6.67 xx 10^(-11) Nm^(2) kg^(-2)` or `6.67 xx 10^(-8) "dyne" - cm^(2) g^(-2).G` is a scalar quantity.
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