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Determine the equivalent parameter using $\theta$ co-ordinate, when the system is given counter clockwise displacement from SEP [ system equilibrium position] was generalized co-ordinate.
$\rightarrow$ $KE = (KE)_rod + (KE)_Bob$
$\frac{1}{2} (Io) \theta^2 + \frac{1}{2} (Io) \theta^2$
$= \frac{1}{2} [I_G + m_{rod} (dist)^2] \theta^2 + \frac{1}{2} (mpL2) \theta^2 $
$= …