JAMB Physics 1997 Question 1

Question 1

Measurement and Units

At what respective values of x, y and z would the unit of force, the newton, be dimensionally equivalent to MxLyTz?

  1. A.−1, 1, 2
  2. B.1, 1, −2
  3. C.1, −1, 2
  4. D.−1, 1, −2
Show the answer and explanation

Answer: B (1, 1, −2)

Explanation

Force = mass × acceleration = kg × m s−2, so its dimensions are M1L1T−2.