Physics · Rotational Motion

Consider two solid discs with radii R and r respectively, having the same mass per unit area. If M is the mass of the larger disc, what is the ratio of the moment of inertia of the larger disc around an axis passing through its centre and perpendicular to its plane, to the moment of inertia of the smaller disc around one of its diameters lying on its plane?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

Correct answer

2R4 : r4

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