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CH. 10

TermDefinition
centripetal force a force that causes objects to move in a circle
rolling friction friction that occurs when a object rolls over a surface
newton the SI unit used for the magnitude, or strength, of a force
force pull or push on a object
static friction friction when a object is still
compression an elastic force that squeezes or pushes the molecules in matter together
blananced forces equal forces acting on a object in opposite directions
mass a measure on how much matter is in a object
free fall the motion of a falling object when the only force acting on it is gravity
projectile a thrown object
net force overall forces that are acting upon a object added together
law of conservation of momentum the rule that in absence of outside forces the total momentum of objects that interact does not change
tension an elastic force that stretches or pulls on the molecules in matter
sliding friction friction that occurs when one solid surface slides over another
unbalanced force forces that causes and objects velocity to change
air resistance the fluid friction experienced
gravity force that pulls objects away from eachother
weight measure of force of gravity on a object
fluid friction friction that occurs when a object moves through fluids
inertia the tendency of a object to resist change to its current motion
satellite when a object orbits another object in space
momentum the product of a objects mass and velocity
friction the force that one surface exerts on another when the two surfaces rub against each other
Created by: DarkestHeir