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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 |