How did the earth start to rotate and revolve?

[rednewguy]

can u explain at the point of formation of universe - hw did the earth started to rotate and revolve. How suddenly did it got the centrifugal and centripetal force.
any explanation or useful links wud do me favour.


thanks

 

[jakjoud]

Earth's rotation

Ok! If we beleive in the big bang theory indeed the kinetik energy given by the explosion is converted to a rotation energy. And this is why the earth have approximatively a spherical form. Any way you can see the link : http://www.astrosurf.org/luxorion/index.htm