Introduction to vectors and 6 ways to describe a vector.

1. Vectors
Vector: A quantity that has both a magnitude and a direction.
4 Notations for Writing a Vector
(1) An arrow (3) [direction] [angle] [direction]
• length indicates magnitude.
• tip indicates direction.
(2) [angle] [direction] of [direction] (4) Bearings: Angle is always measured
clockwise from North. Angle is always
written as a three digit number.
Note: All of the above examples indicate the same vector.