| A | B |
| force | a push or pull |
| motion | change in position |
| speed | measure of how fast something is going |
| gravity | force that pulls objects toward each other |
| work | measure of force it takes to move an object a certain distance |
| fulcrum | point on which a lever is supported |
| gear | a wheel with jagged edges like teeth |
| load | an object that is being moved |