| A | B |
|---|
| force | a push that moves an object away or a pull that moves an object nearer |
| friction | A force that slows or stops motion between two surfaces that are touching |
| gravity | The force that pulls bodies or objects toward other bodies or objects |
| inclined plane | A simple machine made up a slanted surface |
| lever | A simple machine made up of a stiff bar that moves freely around a fixed pulley |
| motion | A change in an objects position as compared to objects around it |
| position | An objects location, or place |
| pulley | A simple machine made up of a rope fitted around the rim of a fixed wheel |
| screw | A simple machine made up of an inclined plane wrapped around a column |
| simple machine | A device that changes a force |
| speed | A measure of the distance an object travels in a certain amount of time |
| velocity | A measure of speed in a certain distance |
| wedge | A simple machine made up of two inclined planes |
| wheel and axle | A simple machine made up of two cylinders that turn on the same axis |
