Varible Frequency Drives

Power can be expressed in foot-pounds per second, but is often expressed in horsepower (HP). This unit was defined in the 18th century by Ja...

Power is the rate of doing work, or work divided by time. In other words, power is the amount of work it takes to move the package from one ...

Whenever a force of any kind causes motion, work is accomplished. For example, work is accomplished when an object on a conveyor is moved fr...

A large amount of force is applied to overcome the inertia of the system at rest to start it moving. Because friction removes energy from a ...

Mechanical systems are subject to the law of inertia. The law of inertia states that an object will tend to remain in its current state of r...

An object can change speed. An increase in speed is called acceleration. Acceleration occurs only when there is a change in the force acting...

The angular speed of a rotating object is a measurement of how long it takes a given point on the object to make one complete revolution fro...