What force makes the Earth Spin on ths own Axis each 24hr and also around the sun each year?

Sorry guys, What i ment is were does the force come from. No need to be rude you know.
Update 2: If your religios you could say act of god, But if your into the science i think you would have trouble explaining it.

BTW im not religious
Update 3: What is it with this site and all the people who jump at a chance to slag.

I ment what do you recon causes the energy.
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