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Newton's Laws
Newton's 1st - 3rd Laws
8
Science
9th Grade
11/21/2011

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Term
Newton's 1st Law
Definition
An object at rest will stay at rest and an object in motion will stay in motion with the same velocity unless acted upon by an unbalanced force.
Term
Unbalanced Forces
Definition
Forces that result in a net force on an object and can cause changes in motion
Term
Inertia
Definition
The property of an object that resists changes in its motion.
Term
Newton's 2nd Law
Definition
This law relates the forces on an object, the mass of an object, and the object's acceleration.
Term
Newton's 3rd Law
Definition
For every action force there is a reaction force equal in strength and opposite in direction.
Term
Momentum
Definition
Property of an object in motion that takes into account an objects velocity and mass.  Equation is p = mv
Term
Law of Conservation of Momentum
Definition
Law that states that as long as the interacting objects are not influenced by outside forces (like friction) the total amount of momentum is constant (does not change).
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