| A | B |
|---|
| an inclined plane with a sharp narrow end to cut through material | wedge |
| a bar that pivots on a fulcrum | lever |
| force applied by a machine | resistance force |
| effort length divided by resistance length | mechanical advantage |
| work divided by time | power |
| force applied to a machine | effort force |
| distance between effort and fulcrum along a lever | effort arm length |
| an inclined plane wound around a post | screw |
| distance between resistance and fulcrum along a lever f | resistance arm length |
| a screwdriver is an example | wheel and axle |
