| A | B |
|---|
| Lever | a simple machine made of a bar resting on a support |
| Fulcrum | the support on which a lever plus the load it is carrying rests |
| Load | the weight that is to be lifted or moved |
| Effort | the force used on a simple machine |
| Wheel and axle | a simple machine made of a wheel and a rod joined to the center of the wheel |
| pulley | a simple machine made of a wheel with a rope around it |
| inclined plane | a simple machine like a ramp |
| wedge | simple machine that is made of two inclined planes put together and that can be driven into another material |
| screw | a simple machine made of a stick with ridges called threads wrapped around it |
