The cross product

Exercise and reference answers

Questions

1. Question

   The cross product of two vectors is a

   Choices

   1. Vector
   2. Scalar
   3. Matrix

   Correct choice

   Vector

2. Question

   Its magnitude is

   Choices

   1. ab cos theta
   2. ab sin theta
   3. a plus b

   Correct choice

   ab sin theta

3. Question

   Its direction is given by

   Choices

   1. The left foot rule
   2. Alphabetical order
   3. The right hand rule

   Correct choice

   The right hand rule

4. Question

   Cross product is written as

   Choices

   1. a x b
   2. a . b
   3. a + b

   Correct choice

   a x b

Instructions

Tap the chip that answers each prompt.

Explanation