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Old 03-21-2005, 07:49 PM   #18
RonRagusa
Location: Massachusetts
Join Date: Jan 2003
Posts: 679
United_States
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Re: Tenkan and Centrifugal Force

Not all tenkan is done just to match uke's body direction. There are numerous techniques that use tenkan as part of the take down or projection of uke during the application of the technique. The tight circular motion executed by nage forces part of uke's body to assume a path with a greater radius; the part of uke's body being held by nage will travel a path more in line with nage's vector. Uke is therefore forced to reconcile the conflict where his single body must assume more than one vector and velocity simultaneously. Since acceleration is a function of velocity and direction, uke's body is accelerated at different rates all at once. The result is he is taken off balance and thrown.
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