> it either A)has infinite density B)drops off as 1/r^2 How did you arrive at this? Which force has infinite density and where? k/r is finite except at the poi

> it either A)has infinite density B)drops off as 1/r^2 How did you arrive at this? Which force has infinite density and where? k/r is finite except at the point where the source is, the formula is invalid there.