forces vocabulary. a push or pull exerted on an object. 1
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Forces Vocabulary
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Force
A Push or Pull exerted on an object.
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Balanced ForcesForces on an object that are equal in size and opposite in direction.
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Net Force
Sum of the forces that are acting on an object.
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Unbalanced ForceForces that combine to produce a net force that is not equal to zero and cause the velocity of an object to change.
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Friction
The force that opposes the relative motion between two surfaces.
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Static Friction
The frictional force that prevents two surfaces in contact from sliding past each other.
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Kinetic Friction
The friction between moving surfaces.
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Sliding FrictionThe force that acts in the opposite direction to the motion of a surface sliding on another surface.
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Rolling Friction
The resistance that occurs when a round object rolls on a flat surface.
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Air ResistanceAKA “drag.” The force that opposes the relative motion of an object moving through air.
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Vacuum
A space entirely devoid “empty” of matter.
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Terminal VelocityThe constant maximum velocity reached by a body falling through the atmosphere under the attraction of gravity.
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