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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 forced acting on an object
At rest The state of an object when it not in motion
Motion The change in an position with respect to time and in comparison to the position of other objects used as reference point.
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).
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 used axes or background objects to measure the position or movement of an object.
Velocity Measurement of speed and direction of an object.
Acceleration The rate of change in an object's speed.
Created by: Doerre0901