# Shared Flashcard Set

## Details

Physics Exam Prep (Chap3-4)
Physics NCS
15
Physics
12/14/2007

Term
 Vector Quantity
Definition
 a quantity that requires both magnitude and direction for a complete description.
Term
 Vector
Definition
 arrow whose length represents the magnitude of a quantity and whose direction represents the direction of quantity. ---------------->.5 inch= 20 mphscale represents 40mph to the right.
Term
 Components
Definition
 when one vector is "resolved" into two component vectors at right angles to eachother.
Term
 Resolution
Definition
 The process of determining the components of the given vector.
Term
 Projectiles
Definition
 anything that moves through the air.
Term
 Satellite
Definition
 a projectile travelling fast enough to fal around Earth rather than into it.
Term
 Force
Definition
 any push or pull
Term
 Friction
Definition
 name given to the force that acts between materials that touch as they move past eachother.
Term
 Newton's First Law (Law of Inertia.)
Definition
 Every Object continues in a state of rest, or of motion in a straight line at a constant speed, unless it is compelled to change that state by forces exerted upon it.
Term
 Mass
Definition
 the quantity of matter in an object.
Term
 Weight
Definition
 Force of gravity upon an object.
Term
 Newton
Definition
 SI unit of force
Term
 Net Force
Definition
 the combination of all forces acting on an object.
Term
 Support Force/Normal Force
Definition
 When a book is lying on a table. The support force is the table.
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