quote:Originally posted by horton
TGM Glossary, page 234::
CENTRIFUGAL FORCE Example - whirling weight on a string.
Mechanical -- The resistance of the Inertia in an orbiting object to change in direction.
Golf -- The effort of the Swinging Clubhead to pull the Primary Lever assembly (Left Arm and Club) into a straight line.
__________________________________________________________________________________
Forum Quiz -- Who on this forum can find the many errors in Homer's science and application in the above statements found in TGM?
Homer says:
CENTRIFUGAL FORCE Example - whirling weight on a string.
This not the definition of centrifugal force (CF) JUST an example of it. A common example of a weight fleeing its center. Other forces are in play but as I said- used as an example- and correctly because it is a rotating system in which CF lives.
Mechanical -- The resistance of the Inertia in an orbiting object to change in direction.
Centrifugal force is an effort of Rotation. And the golf swing is a rotating system. You even told me that. Inertia is a straight line force - it must be over-come in order for that object to continue in its “orbit” - circular path. Which is what a clubhead must do - and does because of CF in a rotating system. You know that system, circular motion around a grounded pair of clean spikes. (Maybe an article how soft spikes cause the death of the golf swing is in order by you)
Again a correct statement by Homer- who by the way- taught the golf swing and wrote the book using specific phrases to help players learn to swing the golf club - not to be so ever pretentious in thinking he was re-writing golf physics. He was teaching golf and up to now, far better then anyone else.
Golf -- The effort of the Swinging Clubhead to pull the Primary Lever assembly (Left Arm and Club) into a straight line.
As I stated before to you Horton, you come from a line of golfers that do not believe in a vertical application of a lever system in a golf swing. I think you are a Single Axis Natural Golfer, educated somewhat- or as best as possible from Jack K. Because you do not use a straight line lever application- and that is a simple “chop” of a c0cked left wrist on the swing plane DOWN onto the ball. You would think any golf definition of centrifugal force is wrong to include any mention of a lever or any inline application.
Again a perfect center fleeing CF action written into the book by Mr. Kelley.
Errors- 0 zip none.
One last point (this is my edit- more like an addition).
Once the clubhead moving in its orbit, its rotation (all due to the clubhead resisting straightline interia) strikes the ball - the ball goes in a straight line because in has no CF. Once that weight on a string snaps- it goes straight. Of course a golf ball can change flight due to spin but straight it begins. Once again - it's golf we are talking about and applying the Newtons to.
I bring this up because, was it you, that laughed at the idea a ball can be released in a straight line from an orbiting CF obeying clubhead, yes?
