

McqMate
Q. |
Which of the following operation will give a vector that is perpendicular to both vectors a and b? |
A. | a x b |
B. | a.b |
C. | b x a |
D. | both a x b and b x a |
Answer» D. both a x b and b x a | |
Explanation: the resultant vector from the cross product of two vectors is perpendicular to the plane containing both vectors. so both a x b and b x a will give a vector that is perpendicular to both vectors a and b. |
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