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The physics books show as that gravity deppends on distance at 1/r^2. But how we know that that is true at very short distances? Is there any proof? Could gravity deppend on 1/r^n whit n>2 at very short distances? What implications could have?
Strictly speaking, Doc, and put simply, in classical physics 1/r^2 dependence was derived for spherically symmetric matter only; (deviations from spherical symmetry requires corrective factors). However this 1/r^2 gravity dependence applies only for points outside the the sphere.Originally posted by Doctor Luz
The physics books show as that gravity deppends on distance at 1/r^2. But how we know that that is true at very short distances? Is there any proof? Could gravity deppend on 1/r^n whit n>2 at very short distances? What implications could have?