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The free fall acceleration g increases as one proceeds, at sea level, from the equator toward either pole. The reason is

Options

A.Earth is a sphere with same density everywhere
B.Earth is a sphere with different density at the polar regions than in the equatorial regions
C.Earth is approximately an ellipsoid having its equatorial radius greater than its polar radius by 21 km
D.Earth is approximately an ellipsoid having its equatorial radius smaller than its polar radius by 21 km

Correct Answer

C. Earth is approximately an ellipsoid having its equatorial radius greater than its polar radius by 21 km

Exam
NDA
Language
English
Year
2016
Difficulty
1/5
Section
General Ability Test

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