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physics vocab

TermDefinition
motion the change in an objects position with respect to time and in comparison to the position of other objects used as reference points
speed the rate of change of position (or distance traveled) with respect to time; units in which speed is measured are expressed as distance per time (example; meters per second)
velocity measurement of speed and direction of an object
acceleration the rate in an object's speed
force a push or pull that can change the motion of an object
balanced forces separate forces on an object that combined do not change the movement of the object
unbalanced forces forces on an object that cause change in the motion of the object
net force the sum of all the forces acting on an object
at rest the state of an object when it is not in motion
direction a straight path that an object can move along
friction force that opposes the motion of one surface across another
frame of reference A system that uses axes or background objects to measure the position or movement of an object.
Created by: xxITZClashxxx
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