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Terminology and Concepts
scalars/vectors, newton's laws, unit conversions, etc
9
Physics
10th Grade
06/04/2012

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Cards

Term
Newton's First Law of Motion
Definition
Inertia
Every object in a state of uniform motion tends to remain in that state of motion unless an external force is applied to it.
Term
Newton's Second Law of Motion
Definition
the applied force = an object's mass x its acceleration
F=MA
Term
Newton's Third Law of Motion
Definition
For every action there is an equal and opposite reaction.
Term
Scalars (definition and example)
Definition
Quantities that are fully expressed by a magnitude (numerical value) alone.
For example: distance, speed
Term
Vectors (definition and example)
Definition
Quantities that are fully expressed by a magnitude (numerical value) and a direction.
In 1D we use positive and negative, and in 2D we use angles.
For example: displacement, velocity
Term
Conversion from m/s to km/hr
Definition
Multiply by 3.6
Term
Conversion from km/hr to m/s
Definition
Divide by 3.6
Term
Acceleration of gravity
Definition
-9.8(m/s)/s if up is +ve
Term
Formula for Acceleration
Definition
Acceleration = change in velocity / time
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