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Motion (cont.) and Momentum
N/A
8
Science
7th Grade
10/02/2011

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Cards

Term
What does Newton's third law of motion state?
Definition
if one object exerts a force on another object, then the second object exerts a force of equal strength in the opposite direction of the first object
Term
momentum
Definition
a characteristic of a moving object that is related to the mass and the velocity of the object
Term
How can the momentum of a moving object be determined?
Definition
by multiplying the object's mass and velocity
Term
How is momentum described?
Definition
by its direction and quantity
Term
The momentum of an object is in the same direction as what?
Definition
its velocity
Term
The mass of an object affects what?
Definition
the momentum the object has
Term
What does the law of conversation of the momentum state?
Definition
In the absence of outside forces, the total momentum of objects that interact does not change. The amount of momentum is the same before and after they interact.
Term
Is the total momentum of any group of objects the same or is it different?
Definition
the same
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