Moderate

The dimension of torque is______________?

Correct answer: A. [ML2T-2]

  • A. [ML2T-2]
  • B. [MLT-2]
  • C. [ML2T]
  • D. [ML-2T-2]

Explanation

Torque is force multiplied by distance, so its dimensions are [MLT^-2] x [L] = [ML2T^-2]. This is also the dimension of energy, although torque and energy are different physical quantities. Students may choose b by using only the dimensions of force and forgetting the additional length factor.

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