In the given vector diagram, the point P is represented by the vector r.
Correct answer: D. Position vector
- A. Unit vector
- B. Null vector
- C. Equal vector
- D. Position vector
Explanation
The correct answer is a position vector. A position vector is used to describe the position of a point in a coordinate system relative to a reference point, usually the origin. In this context, vector r represents the position of point P, making it a position vector. Other options like unit vector, null vector, and equal vector describe different properties of vectors but do not specifically refer to the position of a point in space.
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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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