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JAMB Physics 2014 Question 4

Question 4

Scalars and Vectors

I. Electrical potential II. Torque III. Kinetic energy IV. Momentum
Which of the quantities listed above are vectors?

  1. A.I and II.
  2. B.I and III.
  3. C.II and III.
  4. D.II and IV.
Show the answer and explanation

Answer: D (II and IV.)

Explanation

Torque and momentum have direction, so they are vectors. Electrical potential and kinetic energy have size only.