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JAMB Physics 2003 Question 12

Question 12

Scalars and Vectors

The figure above shows two velocities v1 and v2. Which of the following diagrams correctly represents the vector difference w = v1 − v2?

Diagram for this question
  1. A.Diagram A
  2. B.Diagram B
  3. C.Diagram C
  4. D.Diagram D
Show the answer and explanation

Answer: C (Diagram C)

Explanation

w = v1 − v2 means w + v2 = v1: w and v2 placed nose to tail must add up to v1. Diagram C shows exactly this.