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12.1 Chemistry

Vocabulary Words

QuestionAnswer
force a push or a pull that acts on an object
newton the SI unit for force, equal to the force that causes a 1-kilogram mass to accelerate at a rate of 1 meter per second squared
net force overall force acting on an object after all the forces are combined
friction a force that opposes the motion of objects that touch as they move past each other
static friction the friction force that acts on objects that are not moving
sliding friction a force that opposes the direction of motion of an object as it slides over a surface
rolling friction the friction force that acts on rolling objects
fluid friction a friction force that opposes the motion of an object through a fluid
air resistance fluid friction acting on an object moving through the air
gravity force that acts between any two masses
terminal velocity the constant velocity of a falling object when the force of air resistance equals the force of gravity
projectile motion motion of a falling object after it is given and initial forward velocity
Created by: MarieElyn
 

 



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