Question

If the cross product of two vectors vanishes, what can you say about their directions?

a) Parallel
b) Perpendicular
c) Opposite
d) Cannot be determined

Answer 1

If the cross product of two vectors vanishes, it means that the vectors are perpendicular to each other.

Step-by-step explanation:

If the cross product of two vectors vanishes, it means that the vectors are perpendicular to each other, forming a 90° angle between each other.