EasyPhysicsvector
+4 / -1
î × î equals:
A
0 (zero vector)
B
1
C
î
D
ĵ
Explanation
Cross product of a vector with itself is always zero (sin 0° = 0). The cyclic order for unit vectors: î×ĵ=k̂, ĵ×k̂=î, k̂×î=ĵ. Reverse order gives negative: ĵ×î=-k̂. Essential for computing torque and angular momentum.
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