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study guide
studying
12
Science
7th Grade
05/27/2010

Additional Science Flashcards

 


 

Cards

Term
Motion
Definition
The state in which 1 objects distance from another is changing.
Term
Referance Point
Definition
A place or object used for comparison to determine if an object is in motion.
Term
Acceleration
Definition
The rate at which velocity changes.
Term
Speed
Definition
The distance an object travels in one unit of time.
Term
Three componets of acc.
Definition

increasing speed

decreasing speed

change in a direction

Term
Interia
Definition
The tendency of an object to resist any change in its motion.
Term
Unbalanced forces
Definition
A nonzero net force which changes an  objects motion.
Term
Balanced force
Definition
= forces acting on an object in opposite direction.
Term
why dont action and reaction forces cancel out?
Definition
The forces are applied to different object therefore they cant be combined.
Term
Newtons 1st law?
Definition
A body at rest remains at rest,a body in motion remains in motion.
Term
Newtons 3rd law?
Definition
For every action thers an = and opposite reaction.
Term
2 types of energy?
Definition

Kinetic

 

 

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