# Shared Flashcard Set

## Details

Forces & Motion
Test prep for SPH3U
12
Physics
10/19/2011

Term
 Newton's First Law
Definition
 An object in motion tends to stay in motion (an object will not change its state of motion unless acted upon by an external force)
Term
 Newton's Second Law
Definition
 Fnet=ma
Term
 Newton's Third Law
Definition
 Every force has an equal and opposite reaction
Term
 Newton's Law of Gravitation
Definition
 Fg=Gm1m2/d^2
Term
 Mass
Definition
 The amount of matter an object has
Term
 Weight
Definition
 The force of gravity acting on an object. Fg x m
Term
 Coefficient of Friction
Definition
 Ff=mu x FnormalThe higher the number, the rougher the surface is.
Term
 Gravity
Definition
 9.81
Term
 Kinetic Friction
Definition
 Friction when an object is moving
Term
 Static Friction
Definition
 Friction of an object moving FROM rest
Term
 Inertia
Definition
 The ability to resist a change in motion
Term
 Normal Force
Definition
 Goes opposite gravity when the object is touching a surface
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