The moment of inertia of a planar disc about a diameter is 8kgm2. What is the moment of inertia about an axis passing through its centre and perpendicular to the plane of disc?

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MCQs on centre of mass and its motion, two vectors vector product, inertia moment, perpendicular and parallel axes theorems, kinematics and dynamics of rotational motion about fixed axis, rolling motion, rigid body equilibrium, torque and angular momentum.


The moment of inertia of a planar disc about a diameter is 8kgm<sup>2</sup>. What is the moment of inertia about an axis passing through its centre and perpendicular to the plane of disc?