| A | B |
|---|
| force | a push or pull |
| newtons | the units for measuring force |
| net force | the sum of all the forces acting on an object |
| gravity | the foce that pulls objects together, the force of attraction between all objects in the universe |
| friction | the force that works against the motion of an object |
| lubricants | substances that reduce friction |
| motion | a change in an objects position |
| speed | how fast something is moving |
| velocity | the speed and directionan object is moving |
| acceleration | the change in velocity over time |
| Newton's First Law of Motion | An object that is not being pushed or pulled will stand still. If an object is moving it will keep moving unless a force is applied |
| Newton's Second Law of Motion | The more force put on an object the more it will accelerate. |
| Newton's Third Law of Motion | For every action, there is an equal and opposite reaction |
