Equation mv^2/r=GmM/r^2

  • Thread starter hawaiidude
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  • #1
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like in the equation mv^2/r=GmM/r^2 how do we find gravity? so earth has a gravity of 1? g=f/m? like that?
 
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  • #3
russ_watters
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You shoulda stayed with the other thread, we were explaining it there. You are missing the concept: An individual object doesn't have "gravity" in the Newtonian sense, just like it doesn't have "weight." As the equation says, gravity is a force between two objects.

Wolram's link is good, the first thing you need to concentrate on, understand, and accept is that first sentence.
 

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