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1.4 Derive the equation governing the free motion of a simple pendulum that consists of a rigid massless rod pivoted at point O with

1.4 Derive the equation governing the free motion of a simple pendulum that consists of a rigid massless rod pivoted at point O with a mass m attached at the tip (Fig. P1.4). Linearize the equation, for small oscillations, and determine the natural frequency of oscillation. O m Figure P1.4

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