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Stack #4650724
| Question | Answer |
|---|---|
| force | A push or pull exerted on an object moves through a fluid |
| newton | A unit of measure that equals the force required to accerlate 1 kilogram of mass at 1 meter per second |
| net force | The overall force on an object when all the individual forces acting on it are added together |
| friction | The forces that two surfaces exert on each other when they rub against each other |
| sliding friction | Friction that occurs when one solids surface slides over another |
| static friction | Friction that acts between objects that are not moving |
| fluid friction | Friction that occurs as an object moves through a fluid |
| rolling friction | Friction that occurs when an objects rolls over a surface |
| gravity | The attracted forces between objects; the force that moves objects downhill |
| mass | The amount of matter in an object |
| weight | A measure of the force of gravity acting an object |
| inertia | The tendency of an object to resist a change in motion |
| momentum | The product of an objects mass and velocity |
| law of conversation of momentum | the rule that in the absence of outside forces the total momentum of objects that interact does not change |
| free fall | The motion of a falling object when the only force acting on its gravity |
| satellite | Any object that orbits around another object in space |
| centripetal force | A force that causes an object to move in a circle |