| A | B |
| object is in a different location | changed position |
| moving object changing position | motion |
| force that slows down is a contact force | friction |
| push or pull | force |
| fast an object changes position | speed |
| change in position of one object conpared to another | relative position |
| non-contact force pulls toward Earth | gravity |
| non-contact force that pulls on iron | magnetism |
| force to move an object | work |
| fast, slow, fast, slow speed | variable speed |
| causes the least amount of friction | smooth surface |
| pulls a fast ball to the ground | gravity |
| wedge | axe |
| flag pole | pulley |
| door knob | wheel and axle |
| slide | incline plane |
| jar lid with grooves | screw |
| see-saw | lever |
| tug-of-war winner | one side had greater force |
| kicking a ball | work |