Calculate moi of a ring about a tangent to the circle of a ring
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I'll perform the calculation in polar coordinates. Refer to the sketch above .Let the mass of the ring and its radius be and respectively. The mass of an ...
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The tangent to the ring in the plane of the ring is parallel to one of the diameters of the ring. The distance between these two parallel axes is R, the radius of the ring. Using the parallel axes theorem, Itangent=Idia+MR2=2MR2+MR2=23MR2.
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