vocab
formula
random
newton's 2nd and 3rd law of motion
100
when one object exerts a force on a second one exerts a force on the first that is equal in size and opposite direction
What is 3rd law of motion
100
What is gravitation force formula
gravitatonal force=mass x acceleration due to gravity
100
a gravitional force extented on an object is called the objects
weight
100
the momentum of an object ______ _____ unless its mass, velocity,, or both change
doesn't change
200
net force acting on an object to accelerate in the direction of the net force
What is 2nd law of motion
200
F=ma
What is gravitational acceleration formula
200
the momentum of an object dosent change unless its _____ or ______ change
mass ,velocity
200
the _______ of an object is determined by the size of the net force and the mass of the object
acceleration
300
acceleration toward the center or of a curved
What is centripetal acceleration
300
a=f/m
What is newton 2nd law formula
300
what would happen to your weight if you were far from the earth
your weight will decrease
300
if you throw a softball or a baseball as hard as you can do u think it will be the same speed.
no
400
you get this when force that opposes motion between two surface that are touchies each other
What is friction
400
F=(mvf-mvi)/t
What is force and changing momentum
400
centripetal means
move toward the center
400
the amount of air resistance on an object depends on the ______, _____, and _____ of the object
speed size shape
500
any two masses exert an attractive force on each other
What is gravitation
500
momentum=mass x velocity
What is momentum
500
the two forces are equal, but in _________ _______.
opposite directions
500
if _____ and _______ forces are equal, you might wonder how some things ever happen.
action reaction
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