Question

Why does weight of an object vary from poles to equator

Answer 1

Answer:

'Centrifugal force' due to the spinning lowers your body weight by about 0.4 per cent at the equator relative to its weight at the poles. The Earth's spin also causes the planet to bulge, so that at the equator you're about 21km further from the Earth's centre of gravity and so weigh around 0.1 per cent less.

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