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Force and Motion :3
| Question | Answer |
|---|---|
| Acceleration | the rate in which velocity changes. |
| air resistance | the fluid friction experienced by objects falling through the air |
| Archimedes' principle | the rule that the buoyant force on an object is equal to the weight of fluid |
| average speed | the over all rate of speed at which an object moves |
| balance forces | equal froces acting on an object in oppisite directions |
| brenoulli's principle | the rule that a fast moving stream exerts less pressure than the surrounding fluid |
| buoyant force | the upward force exerted by fluid |
| centripetal force | a force that causes an object to move in a circle |
| compound machine | a device that combines two or more simple machines |
| effciency | the percentage of input work that it converted into output work |
| fluid | a material that can easily flow |
| fluid friction | friction that occurs as an object moves through a fluid |
| fulcrum | |
| inertia | |
| mass | |
| momentum | |
| net force | |
| newton | |
| pascal | |
| pascal's principle | |
| power | |
| rolling friction | |
| sliding friction | |
| static friction | |
| terminal velocity | |
| velocity | |
| work |