| A | B |
|---|
| Acceleration | A change in motion caused by unbalanced force actiong on an object; or a change in direction |
| Direction | A straight path that an pbject can move along |
| Force | A push or pull that can change the motion of an object |
| Frame of Reference | A system that uses coordinates or background objects to establish position or to measure movement of a point in space |
| Mass | A measure of how much matter is present in a substance |
| Motion | The change in an object's position with respect to time and in comparison with the position of other objects used as a reference point |
| Net Force | The sum of all the forces acting on an object |
| Newton, N | Unit of measurement for force |
