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work and power vocab
Term | Definition |
---|---|
Work | Work is done when a force causes an object to move in the direction of the force. |
Power | Power is how fast energy moves from one object to another. |
Power output | Power output is how much work can be done quickly. |
Machine | A machine is something that makes work easier. |
Work input | The work you do on a machine is called the work input. |
Work output | The work done by the machine on another object is called the work output. |
Mechanical advantage | A mechanical advantage tells you how much force increases. |
Mechanical efficiency | The mechanical efficiency compares a machine's work output with the work input. |