Fill the gaps on vector algebra

Exercise and reference answers

Missing parts

1. Answer

   scalar

   Choices

   1. scalar
   2. vector
   3. ratio

2. Answer

   unit

   Choices

   1. unit
   2. zero
   3. free

3. Answer

   scalar

   Choices

   1. scalar
   2. vector
   3. matrix

4. Answer

   vector

   Choices

   1. vector
   2. scalar
   3. number

Complete the statement

A quantity with magnitude alone is a {0}. A vector of magnitude unity is a {1} vector. The dot product returns a {2}. The cross product returns a {3}.

Instructions

Tap a word to drop it into the empty slot.

Explanation