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# what force of gravity do I exert on the Earth

Posted on 2012-04-04

Hello

According to Newton's Universal law of gravitation then you can calculate the force of gravity between 2 objects and the distance between them.

So it follows from this (and the 3rd law) that if the Earth pulls on me by 600N then I pull on the Earth by 600N. Correct?

And presumably i move to the Earth because i am less massive and have far less inertia than the Earth?

How does w = mg relate to the formula Fgrav = GM(1)M(2)/d^2

Can you derive the acceleration due to gravity g from these formula?

thanks