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Force and Motion

TermDefinition
Force A push or a pull; affects the object's motion; start, stop, speed up or slow down.
Motion A change in position of an object caused by force.
Speed Rate of motion or progress; determined by time and distance.
Balanced Forces When two forces on an object are completely equal; cause no change in motion
Unbalanced Forces When one force on an object is stronger than the other; change in motion occurs.
Friction A force when two objects rub together; slows motion.
Air Resistance Friction in the air
Gravity A force that pulls objects to the Earth
Inertia Tendency for an object to remain in motion or to remain at rest until a force acts upon it.
Mass The amount of matter that makes up an object.
Direction Course or path that an object moves (north, south, east, west, left, right, up, down, across).
Position An object's location in relation to another object (across, below, beside, behind, ahead of).
Lubricant Material used to reduce friction
Acceleration An increase in speed
Torque A force that causes an object to rotate
Created by: Soccerdogs
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