| A | B |
|---|
| a lever where the fulcrum is between the input force and the load | first-class lever |
| a machine concsisting of two circular objects of different sizes | wheel and axle |
| a fixed point on a lever | fulcrum |
| a lever where the load is between the input force and the fulcrum | second-class lever |
| a lever where the input force is between the fulcrum and the load | third-class lever |
| a machine with a grooved wheel holding a rope | pulley |
| a pair of inclined planes that move | wedge |
| a machine that is a straight, slanted surface | inclined plane |
| a machine that is made of two or more simple machines | compound machine |
| a machine that has a bar that pivots at a fixed point | lever |
