Types of Friction
Types of Forces
Laws
Terms
Others
100
brings everything to a near stop
What is friction
100
the combination of all the forces acting on an object
What is net force
100
forces always act in equal but opposite pairs
What is newton’s 3rd law
100
the speed and direction of a moving object
What is velocity
100
always is attractive and pulls objects toward each other
What is gravity
200
slows down an object that slides
What is sliding friction
200
a push or a pull
What is force
200
acceleration of an object equals the net force
What is newton’s 2nd law
200
occurring continuously over a period of time
What is constant
200
is the point in an object that moves
What is center of mass
300
caused by the attraction between the atoms on the two surfaces that are in contact
What is static friction
300
if the net net force is not zero
What is unbalanced forces
300
describes how an object moves when the net force acting on its zero
What is newton’s 1st law
300
is the size of gravitational force exerted on an object
What is weight
300
the change in velocity divided by the time over which the change occurred
What is acceleration
400
occurs when an object rolls across a surface
What is rolling friction
400
two or more forces exerted on an object
What is balanced forces
400
forces always act in equal but opposite pairs
What is newton’s 3rd law
400
the tendency of an object to resist
What is inertia
400
the speed and direction of a moving object
What is velocity
500
slows down an object that slides
What is sliding friction
500
when an object moves in circular motion
What is centripetal force
500
describes how an object moves when the net force acting on its zero
What is newton’s 1st law
500
amount of matter in an object
What is mass
500
always is attractive and pulls objects toward each other
What is gravity
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