| A | B |
|---|
| Force | Push or Pull |
| Balanced forces | Equal & Opposite forces acting on an object |
| Unbalanced forces | Force that causes change in an object's motion |
| Acceleration | Speed up, slow down or turn |
| Net force | Total forces acting on an object |
| Positive force | Force aimed to the right / forward |
| Negative force | Force aimed to the left / backward |
| Gravity | Non-contact force felt all over the Earth |
| Normal force | Counteracts gravity / when a surface pushes against an object |
| Friction / drag | Force that works against an applied force |
