Question

The dimensional formula of effective torsional constant of spring is _______.

• A. $M^1{L}^2{T}^{-3}$
• B. $M^1{L}^2{T}^{-2}{A}^{-2}$
• C. $M^1{L}^2{T}^{-2}$
• D. $M^0{L}^0{T}^0$

Answer 1

Answer: (C)

$\tau =C\theta$
$C=\tau /\theta$
$C=\left[M^1{L}^2{T}^{-2}\right]$