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Motion
vocabulary
14
Science
8th Grade
01/22/2007

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Cards

Term
Instantanious speed
Definition
The speed of an object at one instant of time.
Term
speed
Definition
the distance an object covers in a given amount of time.
Term
motion
Definition
change in position
Term
average speed
Definition
found by dividing the total distance traveled and time taken
Term
Velocity
Definition
Speed and direction of a moving object.
Term
Inertia
Definition
Tendency of an object to resist a change in it's motion.
Term
Momentum
Definition
Ameasurement of how difficult it is to stop a moving object.
Term
Acceleration
Definition
rate of change of velocity.
Term
Force
Definition
A push or pull.
Term
NetForce
Definition
combination of all forces acting on an object.
Term
Balanced Forces
Definition
Two or more unequal forces.
Term
Unbalanced forces
Definition
Two or more equal forces.
Term
Weight
Definition
The gravitation force between an object and Earth.
Term
Terminal Velocity
Definition
Constant speed of an object reached when the force of gravity is balanced by air resistance.
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