Question

what is moment of inertia

Answer 1

Tendency of a body to resist angular acceleration

Answer 2

$\large{\underline{\textrm{Moment of Inertia:-}}}$

• Moment of Inertia of a particle about axis of rotation is defined as product of its mass and square of distance from axis of rotation.MI of particle= mr²
• Moment of Inertia of a body about axis of rotation is defined as sum of moment of inertia of individual particle. I = sigma mr²
• Moment of Inertia plays same role in rotational motion as mass in linear motion.
• Moment of Inertia not only depends on mass but also on distribution of mass from axis of rotation.