# Shared Flashcard Set

## Details

Chpater 1, 2 ,3
test
29
Physics
09/09/2008

Term
 What is science
Definition
 a way of thinkingnatures rules for connecting things
Term
 What is technology
Definition
 way of doingtheoretical vs. practical
Term
 evolution
Definition
 change in genes overtime
Term
 what is physics
Definition
 bases of all sciences
Term
 science
Definition
 natures phenomena explained
Term
 religion
Definition
 natures purpose explained
Term
 fact
Definition
 close agreement by competent observers who make a series of observations of the same phenomenon
Term
 hypothesis
Definition
 testable guess
Term
 theory
Definition
 syntheses of a large body of information that encompasses well-tested and verified hypotheses about certain aspects of the natural world
Term
 laws/principles
Definition
 considered to be absoultue
Term
 what is the scientific method and its purpose
Definition
 1. Problem2. Hypothesis3. Predict Outcome4. Test Predictions5. Conclusionpurpose: organize your facts
Term
 what is force
Definition
 any push or pull
Term
 what does it do
Definition
 make something movechange state of motion
Term
 net force
Definition
 combination of forces acting on an object
Term
 equilibrium
Definition
 the state wherein there is no physical change occuring
Term
 tension
Definition
 stretching force
Term
 weight
Definition
 mass times gravity
Term
 normal force
Definition
 equals weight
Term
 static
Definition
 equilibrium- not in motion
Term
 dynamic equilibrium
Definition
 moving at a constant speed in a constant direction
Term
 vector
Definition
 an arrow that represents magnitude and direction
Term
 scalar quantity
Definition
 only tells you magnitude
Term
 pythagorean theorm
Definition
 a2 +b2 =c2
Term
 resultant
Definition
 combination of 2 vectors
Term
 friction
Definition
 force that acts between the materials
Term
 inertia
Definition
 the tendency to resist changing of the current stateconstant velocity in absence of forceforce is required for change
Term
 mass
Definition
 measure of inertiameasured in kg
Term
 inertia determined by mass
Definition
 more mass the more inertia which means for face is required
Term
 what is the difference between volume and mass
Definition
 volume is how much space it takes upmass id how much is in it.
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