Which property is true?

  1. vecA vecB = -vecB vecA
  2. vecA vecB = -vecB vecA
  3. vecA vecA = 0
  4. vecA vecB = vecB vecA
Answer

A) vecA vecB = -vecB vecA

The cross product is anti-commutative; the dot product is commutative. SLO P-11-B-02 · Understanding

Physics MCQ · More Vectors MCQs · Practise