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Chp. 10
vocabwords
| Term | Definition |
|---|---|
| force | push or pull |
| newton | Issac Newton |
| net force | combinations of all forces |
| friction | a force that two surfaces rub on each other |
| static friction | objects that have friction but are not moving |
| sliding friction | occurs when two sliding objects move with eachother |
| rolling friction | its less than sliding friction only one slide glides |
| gravity | the force that controls matter |
| mass | the amount of matter in an object |
| weight | gravitational force that makes thing heavy or hard to pick up |
| mass and acceleration due to gravity | weight |
| free fall | when the only force acting on an object is gravity that is what free fall is |
| air resistance | a fluid friction that acts on an object falling through air |
| projectile | object that is thrown |
| inertia | the tenacity of an object to resist a change in motion |