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Forces and Motion

QuestionAnswer
acceleration the rate at which velocity changes
force a push or a pull
Newton the SI unit for force
speed the rate at which an object changes position
net force the total of all of the forces acting on an object
friction the force two surfaces exert on each other when they rub against each other
static friction friction that occurs on non-moving objects
sliding friction friction that occurs when two objects slide over one another
rolling friction friction that occurs when two objects roll over one another
fluid friction occurs when solid objects move through a fluid
gravity a force that acts at a distance pulling objects with mass toward one another
mass the amount of matter in an object, measured in grams
weight a measure of the force of gravity on an object
Created by: KimRoush
 

 



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