click below
click below
Normal Size Small Size show me how
Forces and Motion
| Term | Definition |
|---|---|
| Gravity | A force that pulls everything and everybody towards the earth. |
| Mass | The amount of matter in an object. |
| Weight | A measure of the force earths gravity on the mass of an object or a living thing |
| Air resistance | The force of air that slows down falling objects. |
| Newtons 1st law | An object at rest stays at rest unless acted on by an unbalanced force. Inertia - An object wants to keep doing what they are doing. |
| Newton's 2nd law | Law of Acceleration / more mass - less acceleration / more force - more accel |
| Newton's 3rd law |