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Mechannics Vocab #2
7th grade GT DMS Rowland 2/14/2012
11
Physics
7th Grade
02/14/2012

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Term
Air Pressure
Definition
the pressure of atmopheric or compressed air
Term
Transformation of Energy
Definition
the changing from one form or tyoe of energy to another form or type of energy
Term
Reference point
Definition
a place or object used for comparison to determine if an object is in motion
Term
Vector
Definition
a directed line segment representing such a physical quantity
Term
Velocity
Definition
speed in a given direction
Term
Acceleration
Definition
the rate at which velocity changes
Term
Inertia
Definition
the tendency of an object to resist any change in its motion
Term
Balanced Force
Definition
equal forces acting on an object in opposite directions
Term
Unbalanced Force
Definition
a nozero net force, which changes an object's motion
Term
Newton
Definition
a unit of measure that equals the force required to accelerate one kilogram of mass at one meter per second per second
Term
Net Force
Definition
the overall force on an object when all the individual forces acating on it are added together
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