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Chap 12

TermDefinition
Terminal Velocity The maximum speed an object will reach when falling through a substance such as air
Weight Gravitational force exerted on an object
Momentum Property of a moving object that equals mass time velocity P=mv
Projectile motion Curved path of an object when thrown near the surface of earth
Inertia Tendency of an object to resist any change in it's motion
Free Fall Describes the fall of an object on which gravity is the only force acting g=9.8 m/s2
Law of Conservation of Momentum If no external forces act on a group of objects their total momentum doesn't change
Law of Universal Gravitation All objects in the universe attract each other through the force of gravity F=Gm1m2/D2
Newton's third law Every action has an opposite reaction with equal force
Newton's second law Acceleration equals the net force divided by its mass F=ma
Newton's first law An Object moving at a constant velocity keeps moving at that velocity unless another force acts on it
Created by: user-1980469
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