Don't mistake my blasphemy as an attempt to discredit TGM. I just think it would be better if the high priests of TGM didn't have to paper over the theoretical cracks quite as much. Surely anybody who knows both physics and wants a bright future for TGM is embarassed by the centrifugal force thing.
Homer Kelley was well aware of the academic notion that Centrifugal Force is "artificial."
In fact, in our 1982 GSEM Class, he mocked his accusers in a purposely-pained voice: "There is no centrifugal force, son!"
Nevertheless, the concept as he defined it in the Glossary -- "The effort of the Swinging Clubhead to pull the Primary Lever Assembly (Left Arm and Club) into a straight line" -- is the essence of the Physics of Rotation. As any kid who has ever whirled a rock on a string could tell us.
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