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bearing
angular direction measured from one position to another using geographical reference lines.
components
the horizontal and vertical aspects of a vector
direction
the course along which a vector moves
equal vectors
have same magnitude and direction; corresponding components will be equal
initial point
starting coordinates of a vector
magnitude
length of a vector
opposite vectors
have same magnitude but reversed directions
parallel vectors
have the same direction but not necessarily the same magnitude
resultant
the sum of the vectors acting on a particular object
standard position
vector whose initial point is at the origin
terminal point
ending coordinates of a vector
vector
a directed quantity requiring both magnitude and direction; represented by a line in a plane with an assigned direction
velocity
a vector quantity that is speed with a direction
zero vector
represents no displacement
scalar
a quantity determined solely by magnitude
