| Word |
Definition |
| effort force | force you put into a simple machine |
| wedge | two inclined planes placed back-to-back |
| simple machines | basic machines that make up other machines |
| work | result of a force moving an object through a distance |
| inclined plane | flat surface that has one end higher than the other |
| fulcrum | fixed point of a lever |
| pulley | rope or chain and the wheel it fits around |
| screw | inclined plane wrapped around a pole |
| lever | bar that turns around a fixed point |
| efficiency | how well a machine changes effort into work |
| wheel and axle | large wheel attached to a smaller wheel or rod |
mr. charles11
