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Force & Momentum

LC Physics

TermDefinition
Force (mass)(acceleration)
Mass Measure of how difficult it is to accelerate that body.
1 Newton The force that gives a mass of 1 kg an acceleration of 1 m/s^2.
Weight (mass)(gravity)
Newton's First Law of Motion Every body will remain at rest or continue to move at a constant velocity unless an unbalanced external force acts on it.
Newton's Second Law of Motion Force is directly proportional to rate of change of momentum.
Newton's Third Law of Motion When body A exerts a force on body B, then body B exerts an equal but opposite force on body A.
Momentum (mass)(velocity)
Friction Force that opposes motion.
Principle of Conservation of Momentum Momentum before = momentum after in a closed system.
Created by: mduffy13
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