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CRPhysicsCh7VocabNew
| Question | Answer |
|---|---|
| line about which rotation occurs | axis of rotation |
| object’s speed along an imaginary line drawn tangent to the circular path | tangential speed |
| acceleration directed toward the center of a circular path | centripetal acceleration |
| in circular motion, an acceleration due to a change in speed | tangential acceleration |
| net force that is directed toward the center of an object's circular path | centripetal force |
| the mutual force of attraction between particles of matter | gravitational force |
| a quantity that measures the ability of a force to rotate an object around some axis | torque |
| the perpendicular distance from the axis of rotation to a line drawn along the direction of the force | lever arm |
| any device that transmits or modifies force, usually by changing the force applied to an object | machine |
| ratio of a machine's output force to its input force | mechanical advantage |
| the ratio of a machine's useful work output to work input | efficiency |
Created by:
CRMissK
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