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Physics XI Notes for Physics Notes

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Variation Of ‘g’ Due To Height (Altitude)

Let us consider the earth to be perfectly spherical of mass ‘M’ and radius ‘R’. A body of mass ‘m’ is initially placed on the surface of the earth.
We know,

Acceleration due to gravity is given by

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This expression shows that acceleration due to gravity decreases as we go higher from the surface of earth.

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