Null vector is a vector which has________________?
Correct answer: C. Both A and B are correct
- A. Zero magnitude
- B. No specified direction
- C. Both A and B are correct
- D. Both A and B are not correct
Explanation
A null vector has magnitude 0, so it has no unique or specified direction because there is no resultant direction to indicate. Therefore both statements A and B describe it. Students may choose only a because zero magnitude is the formal definition, but the absence of a defined direction is also an important property.
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About Addition of Vectors
Vector addition combines directed quantities using the head-to-tail, parallelogram and component methods. Work includes finding the resultant magnitude and direction for two or more vectors, resolving vectors into perpendicular components, and distinguishing vector addition from scalar addition, where direction has no role.
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