| A | B |
|---|
| machine | device that makes work easier |
| inclined plane | simple machine with a sloping surface |
| ramp | is an inclined plane |
| mechanical advantage (MA) | divide the length of its sloping surface by its height |
| lever | a simple machine made up of a bar that turns, or pivots around a fixed point |
| fulcrum | the fixed point around which the bar is free to move |
| pulley | a wheel around which a rope or chain is passed |
| wheel and axle | simple machine made up of two wheels that turn, or pivot, around the same point |
| compound machine | a machine that's made up of two or more simple machines |
