Vector (cross) product: If two vectors point in opposite directions, their cross product must be zero.

Name: Vector (cross) product: If two vectors point in opposite directions, their cross product must be zero.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

This is true because the cross product of two vectors is perpendicular to both of them, so if they point in opposite directions, the cross product will be perpendicular to both and therefore must be zero.

Vector (Cross) Product: If Two Vectors Point in Opposite Directions