Question

define moment of inertia
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Answer 1

Answer:

The moment of inertia, otherwise known as the angular mass or rotational inertia, of a rigid body is a quantity that determines the torque needed for a desired angular acceleration about a rotational axis; similar to how mass determines the force needed for a desired acceleration.

Answer 2

The definition of Moment of Inertia is given below:

• Inertia- The resistive force offered by a body that comes into existence when it moves in rotational motion. The moment of inertia is due to the body's mass. The SI unit of inertia is Kg m sq.
• Moment of Inertia- It is the capacity of an object to remain in the same state as if it is in motion it tends to be in motion and if it is at rest it tends to be at rest.
• Formula- Inertia(I) of a body can be calculated by dividing the angular momentum (L) in the body by its angular velocity(w).

I=L/w

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