Complete the definition of a unit vector

Exercise and reference answers

Missing parts

1. Answer

   1

   Choices

   1. 1
   2. 0
   3. any value

2. Answer

   magnitude

   Choices

   1. magnitude
   2. direction
   3. components

Complete the statement

A unit vector has magnitude {0}. To build one in the direction of a vector a, divide a by its {1}.

Explanation