Consider the following relation for the torsional stiffness (KT)
1) \({K_T} = \frac{T}{\theta }\)
2) \({K_T} = \frac{{GJ}}{L}\)
3) \({K_T} = \frac{{G\theta }}{L}\)
Which of the following is correct?
1
(1), (2) and (3)
2
Only (1) and (3)
3
Only (1) and (2)
4
Only (2) and (3)