What makes the earth rotate?

Answer 1

Residual angular momentum from the time of its formation.

There's basically little to slow it down, though it is very gradually slowing in its rotation.

Whatever processes formed the Earth, whether collisions or accretions, there would be some residual angular momentum.

Once the surrounding detritus and gas was mostly gone or included, there was little to slow any remaining rotation.

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Answer 2

Because of gravitational forces and the conservation of angular momentum from its formation, the Earth rotates.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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