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# Gullett-Phys-Ch5

### Physics-Ch5-Newton's Third Law

TermDefinition
Newton's third law whenever one object exerts a force on a second object, the second object exerts and equal and opposite force on the first
vector quantity a quantity that has both magnitude and direction. Examples include force, velocity and acceleration.
scalar quantity a quantity that has magnitude but not direction. Examples are mass, volume, speed.
vector an arrow drawn to scale used to represent a vector quantity
resultant the net result of a combination of two or more vectors
components mutually perpendicular vectors, usually horizontal and vertical, whose vector sum is a given vector
lift the upward reaction force of air
inertia the property of objects to resist a change in motion
parallelogram rule a four sided figure with opposite sides parallel to each other used to determine a resultant vector.
pythagorean theorem R^2 = X^2 + Y^2
resolution the process of determining the components of a vector
Created by: lpgullett