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chapter 10
10.2
| Question | Answer |
|---|---|
| friction | the opposite of what motion is moving |
| static friction | when force is going somewhere else |
| sliding friction | when an object slides on top of another object |
| rolling friction | when a object rolls on another object |
| fluid friction | a liquid like water or air |
| gravity | what holds things on the ground |
| mass | the objects weight |
| weight | the objects mass |
| free fall | falling without being pushed |
| air resistance | when an object falls slow due to air when gravity pushes it |
| projectile | an object thrown with force |
| compression | heat |
| tension | when something has thermal energy |
| force | when an object is pushed or pulled |
| newton | magnitude or strength |
| unbalanced forces | can cause the velocity to change |
| net force | determines when on object is moving or seed or direction its moving |
| balanced forces | when both sides of the object has the same force |
| inertia | when an object resists a change to motion |
| momentum | moving an object |
| conservation of momentum | when momentum is transferred |
| momentum | moving an object |