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Final Review
Notecards to study for the final.
20
Physics
9th Grade
05/09/2009

Additional Physics Flashcards

 


 

Cards

Term

Average Speed

 

Definition

path distance divided by time interval. 

 

Speed = Distance/Time

Term
Instantaneous Speed
Definition
Speed at any instant of time. 
Term

Metric Prefixes

Definition

nano

micro

milli

centi

kilo

Mega

Giga

Term
Magnitude
Definition
another word for speed
Term

Free Fall

Definition
motion under influence of only the force of gravity and nothing else. 
Term
Air Resistance
Definition
Friction or drag that acts on something moving through air. 
Term
Gravity
Definition
the force that attracts a body toward the center of Earth. 
Term
Force
Definition
Any influence that tends to accelerate an object, a push or pull, measured in newtons. 
Term
Vector
Definition
An arrow whose length represents the magnitude of a quantity and whose direction represents the direction of the quantity. 
Term
Mass
Definition
The measure of an objects inertia, also a measure of the amount of matter in an object. Depends only on the amount of and kind of particles that compose an object - not on its location (as weight does)
Term
Volume
Definition
the amount of space that a substance or object occupies. 
Term
Weight
Definition

Weight = mass x gravity

 

The force on a body due to the gravitational attraction of another body (commonly Earth)

Term
Pythagorean Theorem
Definition

a(squared) + b(squared) = c(squared)


Term
Equilibrium
Definition
A state of balance. The state of a body, an object, or a substance on which no force acts. 
Term
Normal Force
Definition
For an object resting on a horizontal surface, the upward force that balances the weight of the object, also called the support force. 
Term
Tension
Definition
The state of being tightly stretched. 
Term
Compression
Definition
The state of being pushed. Compressing an object. 
Term
Elasticity
Definition
When something can be stretched then goes back to its original form. 
Term
Newton's Third Law
Definition
For every action there is an equal and opposite reason. 
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