Question

Physical significance of moment of inertia and factors on which it depend

Answer 1

Answer:-

• Moment of inertia of a body depends on the body's mass distribution and the axis of rotation.
• The moment of inertia of a body is directly proportional to its mass and increases as the mass is moved further from the axis of rotation.
• Hence, moment of inertia of rigid body depends upon Mass & Distance from rotating axis.

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Answer 2

The physical significance of the moment of inertia is proportional to the mass in translational motion.

• The moment of inertia aka angular mass or rotational inertia is defined as w.r.t. Can be defined.
• The rotation axis, as a quantity that determines the amount of torque required for the desired angular acceleration or the property of the body due to which it resists the angular acceleration.

• Moment of Inertia depends upon the following factors:

1. Mass of the body.
2. Axis of rotation of the motion of the body.
3. Shape of the body.
4. Size of the body.
5. Angular acceleration of the body.