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8th Unit 4 set A

Force and Motion Key Terms

TermDefinition
Acceleration the change in velocity of an object over a period of time.
Air Resistance friction of an object through the air.
Speed the rate at which an object covers a distance.
Velocity the rate at which an object covers a distance plus the direction of the object.
Equilibrium a state of rest or balance due to the equal action of opposing forces.
Force an environmental influence on an object’s motion, direction or state.
Net force the sum of all forces acting upon an object.
Gravity a force of attraction directly proportional to an object’s mass.
Inertia the natural tendency of an object to remain at rest or in motion.
Momentum the product of mass and velocity.
Normal force a force acting in opposite direction from another force.
Created by: darrin_evans
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