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Robotics - Unit 3
| Term | Definition |
|---|---|
| force | any influence that causes an object to undergo a change; either in movement, direction, or construction |
| balanced force | one in which the forces applied to an object are equal in both directions, cancelling each other out |
| unbalanced force | one in which the forces applied to an object are not equal, causing the object to change its movement, direction, or construction |
| gear ratio | the quantitative relation of the angular velocity of the input toothed wheel to the angular velocity of the output toothed wheel |
| speed | rate of change of an objects position |
| torque | measure of the turning force on an object such as a bolt or flywheel |
| tachometer | instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine |
| diameter | any straight line segment that passes through the center of the circle and whose endpoints lie on the circle |
| circumference | linear distance around the outside of a closed curve or circular object |
| inertia | property of an object to want to remain at rest or to remain in motion |
| acceleration | rate at which your speed is increasing |
| multi-meter | electronic measuring instrument that combines several measurements functions |
| friction | the force resisting the relative motion of solid surfaces, fluid layers and material elements sliding against each other |
| static friction | resistance between two or more solid objects that are not moving relative to each other |
| kinetic friction | resistance that occurs when two objects are moving relative to each other and rub together |
| mass | quantity of matter in an object |
| gravity | natural phenomenon by which physical bodies appear to attract each other with a force proportional to their masses |