What is Moment of Inertia? Physics

This lecture is about moment of inertia in physics.

Q: What is moment of Inertia?
Ans: Moment of inertia is the product of mass and square of radius. Moment of inertia plays the same role in rotational motion as the mass in the linear motion. Moment of inertia is denoted by "I". Moment of inertia is a scalar quantity.
It should be noted that moment of inertia doesn't only depends upon the mass of an object, but moment of inertia also depends upon the radius of circle, or the distance of a mass from a fixed point of rotation.
The formula of moment of inertia is mass into square of radius. The S.I Unit of moment of inertia is kg meter square.

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