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Motion
Speed and velocity
13
Physics
8th Grade
09/12/2013

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Cards

Term
Acceleration
Definition
The rate of changinfo velocity
Term
Average speed
Definition
The total distance traveled by the total time of travel
Term
Balanced force
Definition
Forces on an object that are equal in size and opposite in direction
Term
Distance
Definition
How far an object has moved
Term
Displacement
Definition
The distance and direction of an objects change in position from the starting point
Term
Force
Definition
A push or pull
Term
Inertia
Definition
The tendency of an object to resist any change in its motion
Term
Instantaneous speed
Definition
The speed at a given point in time
Term
Net force
Definition
When two or more forces act on an object at the same time, the forces combine to form the net force
Term
Speed
Definition
The distance an object travels per unit of time
Term
Velocity
Definition
The speed if an object and the direction of its motion
Term
Momentum
Definition
Property of an moving object that equals its mass times its velocity
Term
Newtons 1st Law
Definition
The motion of an object changes only if unbalanced force acts on the object
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