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Force and Motion
#3
16
Science
6th Grade
10/19/2011

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Cards

Term
Momentum
Definition
The amount of force or energy an object has when it is in motion.
Term
Law of Conservaton of Momentum
Definition
When two objects collide the total momentum does not change but is only transferred
Term
Newton's Third Law of Motion
Definition
For every action force there is an equal and opposite reaction force
Term
Newton
Definition
The metric unit for Force (N)
Term
Action Force
Definition
In a pair of forces, it is the force that the first object exerts on the second object.
Term
Reaction Force
Definition
The force that pushes or pulls back against an action force, in Newton’s Third Law of Motion.
Term
Force
Definition
A push or a pull
Term
Newton's First Law of Motion
Definition
Objects at rest tend to stay at rest and objects in motion tend to stay in motion unless acted on by an outside force
Term
Inertia
Definition
The tendency of an object to resist any change in motion
Term
Gravity
Definition
The force that exists between any two objects, pulling them together.
Term
Velocity
Definition
An objects speed in a certain direction
Term
Friction
Definition
The force or resistance caused when two objects collide or rub together.
Term
Acceleration
Definition
A change in speed or direction
Term
Newton's Second Law of Motion
Definition
It can be summed in the formula F=ma
Term
Weight
Definition
A measurement of the force of gravity on an object. It is measured in pounds (lbs.)
Term
Mass
Definition
A measurement in the amount of matter in an object. It is measured in grams (g) or kilograms (kg)
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