I don't agree that you can make any truly clear cut distinction between physics and geometry, as they are both simply a different perspective on observing the same motion and force in time and space. Certainly useful to use the two to focus discussion however.
Very succinctly put Edz.
Originally Posted by 6bmike
From EDZ's cool list- it seemed the clubhead was all about Power and the shaft and face was geometric alignment. The Head is like a car speeding along the geometric highway.