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PS Ch2


Distance How far an object moves.
Displacement Distance and direction of an object's change in position from starting point.
Speed Distance an object travels per unit of time.
Average Speed Total distance an object travels divided by the total time it takes to travel that distance.
Instantaneous Speed Speed of an object at a given point in time; is constant for an object moving with constant speed, and changes with time for an object that is slowing down or speeding up.
Velocity The speed and direction of a moving object.
Acceleration The rate of change of velocity.
Force A push or pull
Net Force When two or more forces act on an object at the same time.
Balanced Force Forces on an object that are equal in size and opposite in direction.
Inertia The tendency of an object to resist any change in its motion.
Created by: airiktorrescruz