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# Science

TermDefinition
Force Push or Pull
Newton The SI unit for the magnitude, or strength, of a force
Net Force The combination of all forces acting on an object
Unbalanced Forces-Force Forces that cause an object's velocity to change
Balanced Forces-Equal forces acting on one object in opposite directions
Friction-A force that two surfaces exert on each other when they rub against each other.
Static Friction-The friction that acts on objects that aren’t moving
Sliding Friction-Occurs when two solid surfaces slide over each other
Rolling Friction-When an object rolls across a surface
Fluid Friction-Occurs when a solid objects moves through a fluid
Gravity-A force that pulls objects towards each other
Mass-The measure of the amount of matter in an object
Weight-The gravitational force exerted on a person or object at the surface of a planet
Free Fall-When the only force acting on an object is gravity
Air Resistance-Acts on objects falling through the air
Projectile-An object that is thrown
Compression-An elastic force that squeezes or pushes matter together
Tension-An elastic force that stretches or pulls matter
Created by: dejon