| A | B |
| Speed | Distance divided by Time |
| Pressure | Force divided by Area |
| Distance | Speed multiplied by Time |
| Time | Distance divided by Speed |
| Force | Pressure multiplied by Area |
| Area | Force divided by Pressure |
| Gravity | Pulls things down towards the centre of the Earth |
| Air Resistance | Friction with air molecules |
| Streamlined | An object whose shape helps it to move through air and water easily |
| Areodynamic | An object that can move through air easily |
| Newtons | The unit we measure force in |
| Friction | The force that tries to stop objects from moving |
| Pivot | The centre point of a lever |
| Rough | The type of surface that has lots of friction |
| Smooth | The type of surface that has little or no friction |
| Concorde | A plane with a great aerodynamic shape |
| Arrow | What you use on a diagram to show a force |
| Push and Pull | The two basic types of forces |
| Weight | The amount an object is pulled down by gravity |
| Mass | How much matter something is made off |