Conceptual Physics Flashcards

Terms Definitions
Newton's Third Law
Whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on the first.
Vector quantity
A quantity that has both magnitude and direction. Examples are force, velocity and acceleration.
Scalar quantity
A quantity that has magnitude but not direction. Examples are mass, volume and 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.
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