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14 Cards in this Set
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acceleration

rate of change in velocity, which is the change in velocity divided by the change in time


deceleration

acceleration in the opposite direction as the velocity of the object; results in speed decreasing


electromagnetic force

attractive or repulsive force acting between charged particles


electromagnetism

properties and interactions of objects with electric and magnetic fields


electromagnetism

properties and interactions of objects with electric and magnetic fields


force

a push or pull; any quantity that produces, or is capable of producing, motion


friction

force of resistance acting between objects in contact and tending to dampen their motion


gravity

force of attraction between all masses in the universe


inertia (ihNUHRshuh)

an object´s resistance to its motion changing


mass

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


momentum

an object´s resistance to its motion changing, expressed as the object´s mass times the object´s velocity


newton

the unit of force in the metric system; it is a unit derived from mass and acceleration (speed over time in a direction)


speed

the rate at which an object changes position


velocity (vehLAHsuhtee)

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
