Question

give scientific reason a body weighs more at poles and less at the equator

Answer 1

Explanation:

There are two effects, both due to the spin of the Earth. '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. Overall you'd weigh around 0.5 per cent less - about a third of a kilo for most of us.

Answer 2

The body experiences a centrifugal force away from the earth due to rotation of the Earth because of which the weight of the body decreases. The centrifugal force is maximum at the equator and minimum at the poles. Therefore, the body weighs maximum at poles and minimum at the equator...

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