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Motion & Forces

The straight line distance from starting to ending point with direction. displacement
The background object used to determine if an object is in motion. frame of reference
The change in position of an object over time. motion
The length of the path taken from one place to another. distance
The distance and object travels divided by the time it takes. speed
Speed plus direction. velocity
When two or more unequal forces push or pull on an object and cause a change in motion. unbalanced forces
A push or a pull on an object. force
When two or more forces push or pull with the same force and cause no change in motion. balanced forces
The resulting force when two or more forces are acting on an object. net force
The force acting the opposite direction of motion. friction
The type of friction where it seems as if the object is stuck to the floor. static friction
The type of friction shown when pushing a box across the floor. sliding friction
The type of friction shown by a bicycle tire. rolling friction
The type of friction shown by a parachute falling through the air. air resistance or fluid friction
Created by: pverschoore