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Pure Rotation about an Axis

Earth is slig...

Question

Earth is slightly bulge in the _______.

A

North pole

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B

Middle

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C

South pole

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D

North and South pole

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Solution

The correct option is B Middle
The Earth has a slight equatorial bulge or bulge in the middle. This is about 43 km wider at the equator than pole to pole, a difference which is close to 1/300 of the diameter. This bulge is due to the centrifugal forces of Earths rotation.

The correct option is B.

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Similar questions

Q. Assertion: A freely suspended bar magnet always points in the north-south direction.
Reason: Earth behaves as a magnet with its north pole in the geographical north and south pole in the geographical south.

Q. A freely suspended magnet's North pole aligns itself with the geographic South pole of the Earth and its South pole aligns with the geographic North pole of the Earth.

When at the south pole of the earth, the south pole of a magnet is brought near the north pole of a freely suspended magnetic needle, it will_____.

Q. Tick the correct statement(s) in this question.
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$A B$	Attraction occurs.
$C D$

From the above, he can conclude that
(a) A is a north pole; B is a south pole.
(b) A is a north pole; C is a north pole.
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