As per your syllabus, the sum of a vector A and its negative -A produces which result?
AVector identical to A
BNull vector (0)
CVector of length 2A
DVector identical to -A
Answer & Solution
Correct answer: B. Null vector (0)
syllabus eqn 3.3: A + (-A) = 0 (null vector).
Magnitude zero; direction undefined.
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