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forces

TermDefinition
force A force push or pull exerted on an object
newton The SI unit used for the magnitude, or strength, of a force
net force The overall force on an object when all the individual forces acting on it are added together
unbalanced forces Forces that cause an object's velocity to chane
balanced forces Equal forces acting on an object in opposite directions
friction The force that one surface exerts on another when the two surfaces rub against each other
static friction Friction that are not moving
sliding friction Friction that occurs when one solid surfaces slides over another
rolling friction Friction that occurs when an object rolls over a surface
fluid friction friction that occurs as an object moves through a fluid
gravity The force that pulls objects toward each other
mass A measure of how much matter and is in an object
weight A measure of the force of gravity on an object
free fall The motion of a falling object when the only force acting on it is gravity
air resistant The fluid friction experienced by objects falling through the air
projectile An object that is thrown
compression An elastic force that squeezes or pushes the molecules in matter together
tension An elastic force that stretches or pulls on the molecules in matter
inertia The tendency of an object to resit any change in its motion
momentum The product of an object's mass and velocity
law of conservation momentum The rule that in the absence of outside forces the total momentum of objects that interact does not change
satellite Any object that orbits around another object in space
centripetal A force that cause an object to move in a circle
Created by: ajohnson1
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