Derive an expression for the natural frequency of the simple pendulum shown in Fig. 1.10. Determine the period of oscillation of a simple pendulum having a mass \(m=5 \mathrm{~kg}\) and a length \(l=0.5 \mathrm{~m}\).

Figure 1.10:-

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(a) 250 mm k 00000 FIGURE 2.96 Pulleys and belt drive. (Photo courtesy of Reliance Electric Company.) (b) 1000 mm