The International Gravity Formula predicts the theoretical gravity value at a given point assuming a Gate Geology and Geophysics

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## The International Gravity Formula predicts the theoretical gravity value at a given point assuming a: (-Gate Geology and Geophysics)

(A) non-rotating homogeneous spherical earth model
(B) rotating inhomogeneous spherical earth model
(C) rotating homogeneous oblate spheroidal earth model
(D) rotating inhomogeneous oblate spheroidal earth model

By:Aparna-Dasgupta

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(C) rotating homogeneous oblate spheroidal earth model

International Gravity Formula Formula used to determine the gravitational acceleration at a given latitude (gφ) for a model of the Earth that comprises a rotating, oblate spheroid. gφ = g0(1 + α sin2φ + β sin2Φ), where g0 is the value at the equator, of 978.0318 gals, and the constants α and β are 0.0053024 and —0.0000058.

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