True or false: vectors and 3D

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   A unit vector has magnitude one.

2. Statement is true

   No

   Statement

   Two collinear vectors are always equal in magnitude.

3. Statement is true

   No

   Statement

   Two vectors having the same magnitude must be collinear.

4. Statement is true

   Yes

   Statement

   Skew lines are lines that never meet and are not parallel.

Instructions

Decide whether each statement is true or false.

Explanation