Question

The rotational inertia of an object is greater when most of the mass is located

near the center.
away from the rotational axis.
on the rotational axis.
off-center.

Answer 1

The correct answer is away from the rotational axis.

Step-by-step explanation:

Rotational inertia is defined by the kinetic energy of a rigid body, which revolves around a fixed axis. This energy depends on the moment of inertia and the angular velocity of the body. The further away the mass of the body is from the axis of rotation, the more energy will be needed for the body to acquire angular velocity. So if the mass is distributed as far away as possible from the rotational axis, the rotational inertia will be greater than if it were on the rotational axis.

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