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How does value of acceleration due to gr...

How does value of acceleration due to gravity vary with shape of earth

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We know that the value of acceleration due to gravity on the.s urface of earth is given by
`g= (GM)/(R^(2))`
The earth is not spherical `R_(("equator")) gt R_(("pole"))`. So, `g_("pole") gt g_("equator")`
Thus, the value of acceleration due to gravity is more at poles than at the equator.
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