MCQ
The dimensions of couple are
  • $M{L^2}{T^{ - 2}}$
  • B
    $ML{T^{ - 2}}$
  • C
    $M{L^{ - 1}}{T^{ - 3}}$
  • D
    $M{L^{ - 2}}{T^{ - 2}}$

Answer

Correct option: A.
$M{L^2}{T^{ - 2}}$
a
(a) Couple = Force $ \times $ Arm length = $[ML{T^{ - 2}}]\,[L]\, = \,[M{L^2}{T^{ - 2}}]$

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