| A | B |
|---|
| Inclined Plane | Any sloped surface |
| Wedge | Two flat slopes back to back |
| Lever | A stiff bar that can move side to side or up & down |
| Wheel & Axle | A round disk that has a rod that runs through it |
| Pulley | A wheel with a grove that a rope runs through |
| Screw | A rod called the body with an inclined plane |
| Work | When force moves an object |
| Friction | When two objects rub together |
