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PIHI SCI EMM Lesson 6
Variables that affect frictional force
7
Science
8th Grade
10/26/2011

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Term
Friction
Definition
Friction is the force that resists motion between two surfaces in contact with each other.
Term
Force
Definition
A push or pull
Term
Mass
Definition
The measure of the amount of matter in a body.
Term
Weight
Definition
The measure of the force of gravity on an object.
Term
What forces act on a skydiver to make the diver reach terminal velocity?
Definition
gravity and air resistance
Term
Which one does not effect friction?
Surface Type
Weight
Surface Area
Definition
Surface Area
Term
What kind of fiction is effected by surface area?
Definition
Fluid friction or air friction
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