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Parallel axes theorem, Statement:, The moment of inertia of a body about any axis is equal to moment of, inertia about a parallel axis passing through its center of mass, plus the, product of its mass & the square of the perpendicular distance between the, two axes., Explanation:, A C, Rigid body, D, Axis passing through centre of mass, Parallel axis, In the above figure,, M is the mass of the rigid body,, AB is the axis passing through the centre of mass,, CD is another axis parallel to AB,, r is the be perpendicular distance between two axes,, From parallel axis theorem,, Moment of inertia I of the body about axis CD is,, | =, ICM + Mr?