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100
Natural Motion, what does it do?
It directs either up or down
100
Unatural Motion, what does it require to move?
It requires force
100
WHATS FRICTION?
A FORCE THAT OPPOSES MOTION!
100
When Friction is absent...
an object doesn't need an object to keep moving
100
INERTIA IS
the property of objects
200
SPEED IS
the distance covered per unit of time
200
Per means
divided by
200
the Speed equation is
Distance _______ > divided by Time
200
Velocity means
Both the speed and the direction of the objects
300
A VECTOR QUANTITY SPECIFIES .............
direction and magnitude
300
MOTION THAT'S NOT CONSTANT IS .......................
ACCELERATION
300
What did Aristotle use to establish his ideas of motion?
LOGIC
300
WHAT DID GALILEO USE TO ESTABLISH HIS IDEAS OF MOTION???????
EXPERIMENT!
300
WHATS Newtons 1st law... the law of inertia...say?
It says that things keep doing what they were doing unless force is acted on it..
400
Whats a net force????
A NET FORCE IS THE COMBINATION OF ALLL FORCES that act on an object!!!!!
400
What does a net force do?
changes the objects state of motion
400
What are Newtons Like????
POUNDS????
400
Whats Mechanical Equilibrium?
when the net force on something is 0
400
Whats Thermal Equilibrium?
when the temperature doesnt change
500
Whats Static equilibrium?
OBJECTS AT REST!
500
Whats Dynamic Equilibrium???
Objects moving at a constant velocity
500
What are the 5 steps of the scientific Method?
R= recognize a question or problem H=hypothesize P= predict E= experiment F= formulate
500
What does unscientific mean?
Ideas that cant be tested
500
WHAT DOES SCIENCE ONLY DEAL WITH???????????
Hypothesis that are TESTABLE!! __________