The gravitational acceleration (g) is slightly higher at the poles than at the equator due to two main factors: Earth's Shape: The Earth is an oblate spheroid (flattened at the poles), so the poles are closer to the planet's center of mass, increasing g. Centrifugal Force: The rotational speed of the Earth is lowest at the poles, reducing the outward centrifugal force that counteracts gravity. Thus, g is strongest at the poles and weaker at the equator.
The value of gravitational acceleration at poles is ______?
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