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8 - Mod 4 Lesson 1

TermDefinition
Air Resistance Friction associated with the interaction of an object with the air
Coefficient of Friction The quantity that expresses the frictional forces between two objects
Equilibrium The point at which an object is at rest or moving with a constant velocity
Force A push or a pull
Friction the force that opposes movement between touching surfaces and always acts against the direction of motion.
Inertia matter's resistance to change in motion
Kinetic Friction The retarding force that acts upon a moving object in the opposite direction
Momentum The product of mass and velocity
Net Force The sum of all forces acting upon an object
Newton's First Law An object at rest remains at rest, and an object remains in motion unless acted upon by an outside force
Newton's Second Law The force an object exerts is equal to the object's mass multiplied by the object's acceleration
Newton's Third Law For every action there is an equal and opposite reaction
Normal Force A force acting in the opposite direction of another force
Rolling Friction Friction associated with one object rolling over another
Sliding Friction Friction associated with one object sliding over another
Static Friction The force opposing the movement of an object across a surface
Weight An objects mass multiplied by the gravitational force acting upon it
Created by: Ms. Greenup
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