Measuring How Mass Affects Spin

Rotational inertia describes how strongly an object resists changes in its spin. In linear motion, inertia is tied to mass. A more massive object needs more force to accelerate, and this idea is shown by Newton’s second law, where force equals mass times acceleration.

For rotation, the same basic...

Rotational inertia characterizes the relationship between torque and an object's rotational acceleration.

Inertia is the resistance an object has to a change in its state of motion. In linear kinematics, the concept of inertia is directly related to the mass of an object. The more massive an object, the more force is required to accelerate...