Note:  Do not rely on this information. It is very old.

Radiusof Gyration

Radius of Gyration of a body with respect to an axis is the distance from the axis at which the whole mass of the body should be placed in order that its moment of inertia about that axis should remain the same.

“Salvation is found in no one else, for there is no other name under heaven given to men by which we must be saved.”
Acts 4:12