Question

What is inertia and moment of inertia?

Answer 1

Answer:

Inertia is the measure of resistance to the Inertial force( i.e in translation) and simply called as mass.

Moment of inertia is the measure of resistance of the object against rotation w.r.t an axis, which is also called as “Second moment of Mass/Area” it varies from axis to axis of the same body.

Answer 2

☆☆☆INERTIA☆☆☆ :–

Inertia is the resistance of the object to any change in its motion, including a change in direction. An object will stay still or keep moving at the same speed and in a straight line, unless it is acted upon by an external unbalanced force.

☆☆☆MOMENT OF INERTIA☆☆☆ :–

Moment of inertia is also called "angular mass" , is the inertia of a rotating body with respect to its rotation. It is a rotating body's resistance to angular acceleration or deceleration, equal to the product of the mass and the square of its perpendicular distance from the axis of rotation.