| A | B |
|---|
| inclined plain | flat surface that has one end higher than the other |
| screw | inclined plane wrapped around a pole |
| wheel and axle | large wheel attached to a smaller wheel or rod |
| fulcrum | fixed point of a lever |
| simple machines | basic machines that make up other machines |
| effort force | force you put into a simple machine |
| pulley | rope or chain and the wheel it fits around |
| wedge | two inclined planes placed back-to-back |
| work | ruslt of a force moving an object through a distance |
| lever | bar that turns around a fixed point |
