| A | B |
| Force | A push or pull on an object |
| Acceleration | Any change in motion |
| Exert | To influence, caue an effect |
| Speed | Distance divided by time |
| Motion | Any change in position |
| Friction | Force that opposes motion between objects |
| Distance | Length between two points |
| Effort force | Force put into a machine |
| Resistance force | Force a machine needs to overcome |
| Work | Force causes an object to move, F x d |
| Newton | SI unit of force, equal to kgm/s/s |
| Inertia | Mass resists changes in movement |
| Simple machine | Uses one motion to multiply force |
| efficiency | Resistance force divided by effort force |
| Net force | Total of all forces exerted on an object |