How to explain there cannot be a case where r=0 in F=G(Mm/r^2)

Ryoko

I don't think the gravity law works well on a quantum scale since the nuclear forces and electromagnetic forces become very strong at small distances.

Ryoko	How to explain there cannot be a case where r=0 in F=G(Mm/r^2) I don't think the gravity law works well on a quantum scale since the nuclear forces and electromagnetic forces become very strong at small distances.