COAM only applies to systems that are subject to a "CENTRAL" force. A central force is one which is directed through the axis of rotation. In the youtube Jeff attached, the spinning device is compressed and stretched by force with is acting THROUGH the axis of rotation. That is a central force.
Its would be impossible to argue that the forces generated by a golfer's muscles during the golf swing gestalt act in a direction which is through the "instantanous" center or axis of rotation. Therefore usage of the term COAM when discussing golf is wrong. COAM does not apply to the golfswing contrary to what some authors and their experts would have us believe.
no_mind
Let me make sure I understand you - you're saying that any distribution of mass away from the center in a golf swing - no matter how much even theoretically- has no effect on the rotational speed of that movement.
Better yet- let's use a non-golf example and you can explain what you mean: If you are pushing someone on a merry go round- are saying that it wouldn't matter how close there were to the center- it would take the same amount of force to move them the same RPM's? That wouldn't be the case- so maybe in that example you would still consider the force - "instantanous center of axis of rotation".
Or let's use an ice skater- the ice skater uses muscles to extend the arms out - and there is a slowing of the rotational speed. So it's not that muscles are involved that ceases COAM.
Help me see your point.
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