Question

what causes light fluttering of the earth two pole​

Answer 1

Answer. The Earth has poles which are flattened because of the centrifugal force that acts on its poles while it rotates. The rotating of the earth in the angles makes it also bulge at the equator. ... Due to the great speed, there occurs a flattening of the surface near the poles.

Answer 2

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The “flattening at the poles” is actually an indication that Earth is a rotating sphere, it bulges at the centre and flattens out at the poles because of centrifigul force. The centripetal force expanding the equator must diminish the polar diameter to get the material