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14 Cards in this Set
- Front
- Back
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acceleration
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rate of change in velocity, which is the change in velocity divided by the change in time
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deceleration
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acceleration in the opposite direction as the velocity of the object; results in speed decreasing
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electromagnetic force
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attractive or repulsive force acting between charged particles
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electromagnetism
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properties and interactions of objects with electric and magnetic fields
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electromagnetism
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properties and interactions of objects with electric and magnetic fields
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force
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a push or pull; any quantity that produces, or is capable of producing, motion
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friction
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force of resistance acting between objects in contact and tending to dampen their motion
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gravity
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force of attraction between all masses in the universe
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inertia (ih-NUHR-shuh)
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an object´s resistance to its motion changing
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mass
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the amount of matter an object is made up of and the measure of the amount of inertia (resistance to change in momentum) the object has, measured in grams
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momentum
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an object´s resistance to its motion changing, expressed as the object´s mass times the object´s velocity
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newton
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the unit of force in the metric system; it is a unit derived from mass and acceleration (speed over time in a direction)
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speed
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the rate at which an object changes position
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velocity (veh-LAH-suh-tee)
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the rate at which an object changes position when traveling in a certain direction, expressed as a rate: the distance an object traveled from one position to the next divided by the time it took to travel the distance
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