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used by spinning motion of the earth around its axis passing through the poles...the force being max at the equator...since at tym of formation, earth was in fluid state, the force of cohesion was small & could not balance the centrifugal force...hence it bulged out at the equator

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Q: What causes slight flattening of the earth at two poles?
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What causes the flattening of poles?

The rotation of the planet.


What causes earth flattening of the earth at two poles?

used by spinning motion of the earth around its axis passing through the poles...the force being max at the equator...since at tym of formation, earth was in fluid state, the force of cohesion was small & could not balance the centrifugal force...hence it bulged out at the equator


Why the Earth is shaped as it is?

The earth is not perfectly round, but very slightly flattened at the poles, and with a very slight bulge at the equator - the shape is called "oblate". It is caused by the earths rotation on it's axis. Jupiter, which rotates much faster than the earth has even more pronounced bulging at the equator and flattening at the poles. It is not really obvious to the eye, but can easily be measured with scientific instruments.


What does the earth bulge slightly around?

The earth rotates at approximately 15 degrees per hour (24hrs x 15 degrees=360 deg). centrifugal force from this rotation causes the panet to bulge at the equator and consequently causes some flattening at the poles. given the earth rotates so slowly, this is not apparent in visual images taken by sattelite or space vehicle.


Is the planet Earth a circle?

No. A circle is 2-dimensional. The Earth is a sphere. no actualy, it is a sphere, but a long time ago, historians thought that the world was a flat circle


What causes global convection currents between the equator and the poles?

Earth's tilt


Is gravitional force is different on poles and the equator of earth?

Yes, there is a slight difference. It is insignificant for most practical purposes, though.


What causes cold climates at the poles?

Since the earth is a sphere, the north and south poles are further away from the sun and the equator is closer.


What is the causes of the wind system on earth?

The heat from the Sun falling on the earth, heating the tropics more than the poles and the rotation of the Earth on its axis.


What causes the global convention current between the equation and the poles?

Temperature differences Earth's tilt


What causes the global convention current between the equator and the poles?

Temperature differences Earth's tilt


Effect of axial motion- bulging of the earth?

Yes, the Earth's rotation has caused a slight bulging of the planet, near the equator. The diameter of the Earth at the equator is a bit more than the distance between the Poles.