Asked by fathima12 | 14th Oct, 2009, 11:32: PM

Expert Answer:

Due to shape of earth:  We know that the earth is not perfectly spherical but it is slightly ellipsoidal. It is bulging at the equator and flattened at the poles. So the equatorial radius is more than the polar radius. As g α (1/R)2 , the value of g increases from equator to poles. Thus due to the shape of the earth, g is maximum at poles and minimum at equators.

Answered by  | 15th Oct, 2009, 12:05: PM

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