# Shared Flashcard Set

## Details

Chapter 4: Newton's First Law - Inertia Questions
Chapter 4 Newton's First Law - Inertia Questions
10
Physics
12/18/2011

Term
 Normal force
Definition
 Upward force that balances the weight of an object
Term
 Weight
Definition
 force on a body due to gravity (mg)
Term
 Mass
Definition
 measure of the matter in an object
Term
 Volume
Definition
 amount of space that matter occupies
Term
 Friction
Definition
 A force that resists motion
Term
 Force
Definition
 A push or pull that accelerates an object
Term
 Inertia
Definition
 Reluctance to change the state of motion, has to do with the mass of the object
Term
 Equilibrium
Definition
 ∑Fx = 0, ∑Fy=0, ∑T=0
Term
 Net force
Definition
 Combination of all the forces that act on an object
Term
 Law of InertiaNewton's First Law
Definition
 ∑Fx = 0, ∑Fy=0, ∑T=0, v = o or v = cA body in motion tends to stay in straight line motion. A body at rest tends to stay at rest, unless acted upon by an outside force.
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