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# Forces

TermDefinition
Centripetal Force A force that causes an object to move in a circle
Rolling Friction Friction that occurs when an object rolls over a surface
Newton The SI unit used for magnitude, strength, of a force
Force A push or pull exerted on an object
Static Friction Friction that acts on an object that isn't moving
Compression An elastic force that squeezes or pushes molecules in matter together
Balanced Forces Equal forces acting on an object in opposite directions
Mass A measure of how much matter is in an object
Free Fall The motion of a falling object when the only force acting on it is gravity
Projectile An object that is thrown
Net Force The overall force on an object when all individual forces acting on it are added together
Law of conservation of momentum The rule in that the absence of outside forces the total momentum of objects that interact doesn't 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 one another
Unbalanced Force Force that changes an objects velocity
Air Resistance The fluid friction experienced by objects falling through air
Gravity The force that pulls objects together
Inertia The tendency of on object to resist any change in it's motion
Satellite Any object that orbits around another object in space
Momentum The product of an object's mass & velocity
Friction The force that one surface exerts on another when the two surfaces rub against each other
Fluid Friction Friction that occurs as an object moves through a fluid
Weight A measure of the force of gravity on an object
Created by: Gio_rodriguez