| A | B |
|---|
| machine | device with which you can do work in a way that is easier or more effective |
| input force | force you exert on the machine |
| output force | force exerted by the machine |
| mechanical advantage | the ratio of output force to the input force |
| efficiency | compares the output work to the input work of a machine |
| actual mechanical advantage | mechanical advantage that a machine provides in a real situation |
| ideal mechanical advantage | mechanical advantage of a machine without friction |
