# Law of gravity formula

July 26, 2015

Why do some objects float while others sink? One of the factors that determines this is the density of the object. The density of an object is related to another important factor called specific gravity, which will be the main focus of this lesson. Click "next lesson" whenever you finish a lesson and quiz. Got It You now have full access to our lessons and courses. Watch the lesson now or keep exploring. Got It

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##### What is the formula in finding gravity?

F = G m1m2/R2
F = the mutual gravitational force of attraction between two masses
G = the universal gravitational proportionality constant
m1, m2 = the masses of the two masses
R = the distance between the centers of mass of the two masses