MCQ
The dimensions of couple are
- ✓$M L^2 T^{-2}$
- B$M L T^{-2}$
- C$M L^{-1} T^{-3}$
- D$M L^{-2} T^{-2}$
✓
Answer
Correct option: A.
$M L^2 T^{-2}$
(a) Couple $=$ Force $\times$ Arm length $=\left[M L T^{-2}\right][L]=\left[M L^2 T^{-2}\right]$
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