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Physics
Vocabulary Words and Formulas
6
Science
7th Grade
04/02/2013

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Term
Vector and Scalar Quantity
Definition
Vector- a physical measurement that contains directional information
Scalar- A physical measuremet that does not contain directional information 

Term
Acceleration
Definition
The time rate change of an object's velocity
Term
Free Fall
Definition
The state of an object that is falling towards Earth with nothing inhibiting it's fall
Term
Reference point
Definition
The point at which a position is measured
Term
Is a glass of water sitting still in motion?
Definition
It depends on the reference point. To someone sitting on the table with it, it wouldn't be. To someone sitting on the moon watching the Earth spin, it would be.
Term
Free Fall Equation
Definition
D=at2
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