# Shared Flashcard Set

## Details

Chapter 3
Motion
15
Physics
10/18/2011

Term
 Force
Definition
 Push and pull (vector)
Term
 Inertia
Definition
 Tendency of an object to resist any change in it's motion (not a force)
Term
 Newton's 1st law of motion
Definition
 An object in motion will remain in motion. An object at rest will remain at rest.
Term
 Newton's 2nd law of motion
Definition
 Force = mass x accelerationF = ma
Term
 Net force
Definition
 Sum of all forces on an object
Term
 Newton (N)
Definition
 Unit of force
Term
 Newton's 3rd law of motion
Definition
 For every action there is an equal an opposite reaction
Term
 Gravity
Definition
 Attractive force between any two objects
Term
 Friction
Definition
 A contact force between two surfaces
Term
 Static friction
Definition
 Not moving
Term
 Kinetic friction
Definition
 Moving
Term
 Air resistance
Definition
 Force that resists motion when objects move through air
Term
 Centripetal force
Definition
 Cause objects to move in circles
Term
 Momentum
Definition
 Property of an object related to mass and velocity
Term
 Momentum formula
Definition
 P = mvMomentum = mass x velocity
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