Translational and rotational motion are compared and contrasted. Rotational Inertia &Torque: Translational and rotational motion are compared and contrasted. Students learn to distinguish between ...

The case of a pulsating-load testing machine shows how to ballpark qualities that are important for deploying electric motors. Crankshafts in running internal-combustion engines pulsate as well as ...

If you’ve ever played with tops, you know that some spin easily while others wobble. Ever wonder why? The answer has to do with rotational inertia, a property shared by all rotating systems. Sometimes ...