| A | B |
|---|
| Compound Machine | A combination of two or more simple machines that work together |
| Efficiency | The percentage of the work input that becomes work output in a machine |
| Fulcrum | The fixed point on a lever where it rotates |
| Inclined plane | A simple machine that is a slanted surface |
| Input force | The force applied to a machine |
| Joule | Unit of measurement of Energy |
| Lever | A simple machine with a bar that rotates around a fixed point |
| Machine | A device that makes work easier |
| Mechanical advantage | The number of times a machine increases the input force |
| Output force | The force applied by the machine |
| Power | How fast work is done |
| Screw | A simple machine that is an inclined plane wrapped around a cylinder |
| Simple machine | A machine that does work with only one movement |
| Watt | Unit of measurement of Power |
| Wedge | A simple machine that is used to split or cut |
| Wheel and axle | A simple machine made up of two different sized wheels that move together as one unit |
| Pulley | A simple machine that has a rope that fits a wheel with a groove in it |
| Work | A transfer of energy when a force is applied through a distance |
| Work input | The work done on a machine |
| Work output | The work done by a machine |
