Why the value of 'g' is different in poles?

Asked by  | 8th Feb, 2014, 04:44: PM

Expert Answer:

The value of g depends on the radius of earth.
 
g = GM/R2
 
Now, earth is not perfectly spherical. It is slightly inflated at the equator and flatter at the poles.
 
Thus, R near poles is less than R at the equator.
 
Hence, due to this difference in radii, the value of g is more at the poles than at the equator.

Answered by  | 10th Feb, 2014, 01:03: PM

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