Q. The dimensions of couple are
A) $ML^{2}T^{- 2}$
B) $MLT^{- 2}$
C) ${ML}^{- 1}T^{- 3}$
D) $ML^{- 2}T^{- 2}$
Explanation
Couple = Force $\times$ Arm length = $\left\lbrack MLT^{- 2} \right\rbrack\lbrack L\rbrack = \lbrack ML\ ^{2}T^{- 2}\rbrack$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.