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Friction and Gravity

TermDefinition
Friction The force that two surfaces exert on each other when they rub against each other.
Gravity A force that pulls objects toward each other.
Mass A measure of the amount of matter in an object.
Weight The force of gravity on a person or object at the surface of a planet.
Free Fall When the only force acting on a falling object is gravity.
Air Resistant Objects falling through air experience a type of fluid friction.
Terminal Velocity The greatest velocity a falling object can achieve.
Projectile An object that is thrown.
Created by: chienm