| A | B |
|---|
| Force | push or pull, can cause change of shape |
| Mass | amount of matter |
| Weight | downward force exerted by object, caused by Gravity |
| Gravity | attraction between all masses |
| Moment | turning effect of force about a pivot |
| Friction | Force that works between two surfaces |
| Speed | Measure of how fast an object is moving, distance/time |
| Velocity | speed of an object in a given direction |
| Acceleration | how quickly the velocity changes |
| resultant force | an unbalanced force that causes acceleration |
| Terminal velocity | maximum velocity reached by a falling object. |
| Pressure | force acting on one square metre of surface area. |
