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  4. Statement-1: The moment of inertia of any rigid body is minimum about axis which passes through its centre of mass as compared to any other parallel axis. Statement-2: The entire mass of a body can be assumed to be concentrated at its centre of mass for applying Newtons force Law.

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Q. Statement-1: The moment of inertia of any rigid body is minimum about axis which passes through its centre of mass as compared to any other parallel axis.
Statement-2: The entire mass of a body can be assumed to be concentrated at its centre of mass for applying Newtons force Law.

System of Particles and Rotational Motion

Solution:

Moment of Inertia of a body is minimum about an axis passing through CM for given parallel axis. If may not for the axis making some angle.