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JAMB Physics 1983 Question 25

Question 25

Scalars and Vectors

Which of the diagrams in Fig. 5 gives the correct resultant R of two vectors P and Q?

Diagram for this question
  1. A.I
  2. B.II
  3. C.III
  4. D.IV
  5. E.V
Show the answer and explanation

Answer: D (IV)

Explanation

With P and Q drawn from the same point as two sides of a parallelogram, the resultant is the diagonal starting from that same point, as in diagram IV.