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## Main Question or Discussion Point

to calculate the moment of inertia of a spinning disc (a spinning top for example) i know the formula is I=(mR^2)/2, but in order to find the moment of inertia of a spinning disc at and angle to the vertical, how would this be done? does the moment of inertia change if the disc is not spinning parallel to the ground? The disc in question is spinning about its centre, and precessing a point at which it stays a constant angle to the vertical from.