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34 Cards in this Set

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  • Back
  • 3rd side (hint)
True or False Physics is the basic scirnce
Remeber physics is about the nature of things
What is the language of science
it is something that cannot be disputed.
The sceientific method steps in order are
1. reconize a problem
2. Make a hypothesis
3. predict the cosequences f the hypothesis
4. preform the experiemnt
5. formulate the simplest general rule
THINK think thnik.... it makes sence the order
True or False a scientist ALWAYS follows a dogma
dogma is strict religous beliefs.
is applied science,
you have to do this to get technological advances
measure of how fast something is moving
rate that distance is covered
average speed
averaged speed=total distance covered/time
how do you figure it out
speed with direction
one thing makes it difrent from speed
change in velocity(speed)/time
how do yuo figure it out
vector qwuanity
direction and speed
velocity is one hint they both have "v"s
speed is one "hint they both start with "s"
newton's first law of inertia is also known as...
the law of intertia
...people also call it the law of....
an objects resistance to change in strgait constant linear movement
Every object continues in a state of rest or a state of motion in a straight line at a constant speed, unless it is compeeled to change that states by foreces exerted upon it.
law of inertia( or Newton's first law)
this one has 2 names
True or false mass is also a measure of inertia
9.8= a newton
net force
sum of all forces acting on an object
Newton's second law of motion
the accleration produced by a net force on an object is directly porportonal to the magnitude of the net force, is in the same direction of the net force, and is inversly proptional to the mass of the object
Newton's third law of motion
Whenever one object exerts a force on a second object the second object exerta an equal and opposite force on the first object. (for everything thre is a equal and opposite reaction)
How many laws dose Newton have
force X time (f(t)
impluse also is
change in momentum
elastic collision
bouncy collision
inelastic collision
non-bouncy collison
net mometnum(before collision)=net momentum(after collison) true or false
true! conservation of energy says so
work =
force times distance
kinetic engery =
1/2 mass X speed squared
conservation of energey
energery is neither created nor destoryed it is conserved and transformed
true or false centrifugal fotrce keeps you in your vare when you make a turn
FALSE! centripital force does
torque =
force times lever arm
in order for something to balance the clockwise and counterclock wise force have to be equal, true or false