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The principle of inertia is a property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force. We are ...

It’s harder to stop something after you’ve started it because whatever activity you’ve engaged in now has momentum going for it. Conversely, it’s harder to start something before you make the ...

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, ...