Question
The value of πΜ β (πΜ Γ πΜ) is A) 0 B) +1 C) β1
The value of πΜ β (πΜ Γ πΜ) is:
A) 0
B) +1
C) β1
D) 3
E) β3
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Koala Tutor
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A) 0
Explanation:
Since πΜ and πΜ are unit vectors and orthogonal to each other, their cross product πΜ Γ πΜ will result in another unit vector orthogonal to both πΜ and πΜ, in this case πΜ.
Thus, the dot product of πΜ with πΜ (which is 0) will also be 0.
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