| A | B |
| Second Law of Motion | F= mass x acceleration |
| standard unit of force | Newton |
| kinetic friction | the friction that exist when one object is moving |
| static friction | the friction that exists when neither object is moving |
| Third Law of Motion | for every action there is an eual and opposite reaction |
| First Law of Motion | an object in motion stays in motion/rest until acted upon by an outside force |
| Developed laws of motion | Newton |
| inertia | requires force to change velocity. |
| Father of modern scientific thought | Aristotle |
| air resistance | friction experienced by object falling through air |
| friction | a force that exists when objects rub together |
| review: velociy | speed and direction |