What should be the radius r0 of cicular groove in order that there should be no force acting between the wheel and the horizontal rough surface reg?
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What should be the radius r0 of the circular groove in order that there be no friction force acting between the wheel and the horizontal surface regardless of the magnitude of the force P applied to the cord? The centroidal radius of gyration of the wheel is k. Ans. R0 = k2/r
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