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  1. Nov 2024
    1. Variation with Latitude:

      Earth is not a perfect sphere; it is an oblate spheroid, meaning it is slightly flattened at the poles and bulging at the equator. Gravity is stronger at the poles and weaker at the equator because: The poles are closer to the Earth's center (smaller radius, stronger gravitational pull). The equator experiences a greater outward centrifugal force due to Earth's rotation.

      Constants :

      Incorporate Earth's flattening and the effects of rotation.

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