Question

Difference between moment of inertia and mass moment of inertia

Answer 1

Answer:

The basic difference being is that mass moment of inertia is concerned with rotating body whereas area moment of inertia concerned with the bending stresses developed in the body. Mass moment of inertia:Resistance offered by a body to its rotation.

Answer 2

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Moment of inertia ( ), also called "angular mass" (kg·m2), 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.

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.