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14 Cards in this Set
- Front
- Back
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Motion
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Any physical movement or change in position or place
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Force
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An action that causes an acceleration.
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Net Force
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The sum total of all forces acting on an object.
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Friction
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The force of two surfaces that touch.
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Inertia
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A property of matter that causes it to resist changes in speed or direction (velocity).
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Displacement
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The change in position of an object; the shortest distance between two points
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Speed
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Rate of motion; rate of change of position; Speed = distance/time
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Velocity
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Rate of change of position; speed AND direction
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Acceleration
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Rate of change of velocity (change on position).
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Mass
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The amount of matter in an object.
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Momentum
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Quantity or amount of motion; product of mass and velocity (momentum = mass x velocity)
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Gravity
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A downward force exerted on objects by the Earth.
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Kinetic energy
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The energy of motion.
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Potential energy
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The energy of position or stored energy
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