Answer: Zero vector.
- A Position vector
- B Unit vector
- C Zero vector
- D Free vector
Correct answer: C. Zero vector
Explanation: When start and end points coincide, the vector has zero magnitude and is called the zero vector.
Triangle law of vector addition: placing vector b at the head of vector a, the diagonal from the start to the final head gives the resultant a + b.
Concept context
Vectors, dot product, cross product, and geometric applications