| A | B |
| position | location of an object |
| reference_point | location compared to other locations |
| speed | distance / time |
| velocity | speed in a given direction |
| acceleration | any change in velocity |
| negative_acceleration | slowing down |
| force | any push or pull |
| net_force | combination of all forces acting on an object |
| F=ma | Newton's 2nd Law of Motion |
| inertia | objects' resistance to any change in their motion |
| terminal_velocity | constant velocity achieved when air resistance stops any acceleration of a falling object |
| gravity | force of attraction among all objects |
| friction | force that opposes motion due to surface interaction |
| pressure | force / area (i.e. lbs./in2) |
| Isaac_Newton | scientist who discovered 3 laws of motion |
| balanced | equal and opposite forces |
| unbalanced | net force that causes a change in motion |
| G-force | the force to which a body is subjected when it is accelerated |
| stop_height | On a roller coaster, the height of the first hill. |
| kinetic | energy of a moving object |
| potential | stored energy |