Physics
NULL
Medium
Question
The cross product of two vectors is a negative vector when______________?
A
They are parallel vectors
B
They are anti parallel vectors
C
They are a perpendicular vector
D
They are rotated through 270°
✓ Official correct answer
Community credibility
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A
They are parallel vectors
No member explanations yet for this option.
B
They are anti parallel vectors
No member explanations yet for this option.
C
They are a perpendicular vector
No member explanations yet for this option.
D
They are rotated through 270°
No member explanations yet for this option.
Explanation
The cross product's sine-dependent component becomes negative for rotation angles between 180° and 360° (e.g., at 270°, sin270°=-1).
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