Question

Difference between moment of inertia and moment of resistance

Answer 1

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➡️ Moment of Inertia is often refereed as mass moment of inertia or the angular mass. It is the measure of an object's resistance against the angular acceleration.

➡️ On the other hand, Polar Moment of Inertia is a measure of a body's ability to resistance against the torsion when torque is being applied

Answer 2

Inertia is a force. Inertia is a force which keeps stationary objects at rest and moving objects in motion at constant velocity

An object would not have any inertia in a gravity-free environment (if there is such a place). Inertia is the tendency of all objects to resist motion and ultimately stop.