Question

Explain the Universal law of gravitation and its formula F=G × m1m2/r2
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Answer 1

Answer: Sir Isaac Newton's universal law of gravitation (F=Gmm/r2) is an equation representing the attractive force (F) of two masses (m) separated at distance (r). It was first published as a part of Newton's works on classical mechanics in the late 1600s.

F=Gm1m2/r^2 Solve for r

F = Gm1m2/R2 If you want to solve for R, then R definitely can't stay in the denominator. ...

FR2 = Gm1m2 Now you want R by itself on one side of the equation, so divide both sides of the equation by F.

R2 = Gm1m2/F. ...

R = positive or negative √Gm1m2/F where everything up till F is under the square root sign.