Think back to high school and some of your earliest physics lessons. Remember Sir Isaac Newton first law of motion? If not, let me refresh your memory. Newton’s first law of motion says: inertia is ...

The Law of Inertia plays a key role in the scheme of constructive axioms for the General Theory of Relativity. A new formulation of this law which avoids the circularity problems inherent in previous ...

The optimal size for a clutch or brake is determined by three things: Required torque, thermal horsepower per engagement, and average required thermal horsepower. Here, we'll discuss the first, ...

One concern some observers raise about the growth of inverter-based resources, such as solar, wind, and battery storage, supplying the power grid is that they don’t provide inertia. Inertia has ...

Diving is among the most popular spectator events in the Olympics, a graceful sport that combines elements of gymnastics and dancing. It’s also an excellent example of physics in action. Let’s look at ...

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 ...