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Force and Motion

Force and Motion Vcabulary

TermDefinition
acceleration To change speed and/or direction per a unit of time ( sec. ,min., etc)
average speed The total distance an object travels divided by the amount of time it took the object to travel that distance.
balanced forces When the magnitude and direction of more than one force acting on an object results in zero net force.
force A push or pull.
friction A force that exists at the boundary between any two pieces of matter that are in contact with each other.
braking distance The distance a vehicle travels from the moment the driver applies the brakes until the vehicle comes to a stop.
net force Combined forces acting on an object.
kinetic energy The energy an object has because of its motion.
speed The rate at which an object moves.
inertia An objects resistance to a change in its motion.
mass The amount of matter in an object
stopping distance The distance traveled during the driver's reaction time plus the braking distance.
reaction time The interval between the moment a driver realizes that there is a problem and when the driver applies his brakes.
unbalanced force When the magnitude and direction of more than one force acting on an object gives a net force unequal to zero.
Created by: user-1937860
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