What is the quantity used to measure an object's resistance to changes in rotational motion?
A) mass
B) moment of inertia
C) torque
D) angular velocity
E) angular acceleration

Question

Quizplus · Accepted Answer

Moment of inertia is the quantity used to measure an object's resistance to changes in rotational motion. It depends on the mass distribution of the object and the axis of rotation. A larger moment of inertia means that it requires more torque to produce a given angular acceleration. Mass (A) is related to moment of inertia but is not the same quantity. Torque (C) is the force that causes rotational motion, but it is not a measure of the resistance to changes in rotational motion. Angular velocity (D) is the rate of change of angular position, and angular acceleration (E) is the rate of change of angular velocity. While these are related to rotational motion, they do not directly measure an object's resistance to changes in rotational motion.

What Is the Quantity Used to Measure an Object's Resistance