Question

define moment of inertia​

Answer 1

The moment of inertia, otherwise known as the mass moment of inertia, 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.

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Answer 2

Answer:

Moment of inertia:-----

The moment of inertia, otherwise mass moment of inertia, angular mass or rotational inertia , of a rigid body is a 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.

SI unit :- kg m²

Formula :- I = Σ miri2