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chapter 8 terms
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Speed
distance traveled divided by the time interval during which the motion occurred
Velocity
quanity decribing both speed and direction
Momentum
a quantity defined as the product of an object's mass and its velocity
Acceleration
change in velocity divided by the time interval in which the change occurred
Force
the cause of acceleration, or changein an object's velocity
Balanced Forces
forces acting on an object that combine to produce a net force equal to zero
Unbalanced Forces
forces acting on an object that combine to produce a net nonzero force
Friction
the force between two objects in contract that opposes the motion of either object
Gravity
the force of attraction between two particles of matter due to their mass
Inertia
the tendency of an object to remain at rest or in motion with a constant velocity
Free Fall
the motion of a body when only the force of gravity is acting on it
Terminal Velocity
the maximum velocity reached by a falling object that occurs when the resistance of the medium is equal to the force due to gravity
Author
Anonymous
ID
67283
Card Set
chapter 8 terms
Description
motion
Updated
2011-02-18T16:48:58Z
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