Q3 - The uniform bar OC of length L and mass ( m ) pivots freely about a horizontal axis through O. If the spring of modulus k is unstretched when C is coincident with A, determine the tension T required to hold the bar in the position shown. The diameter of the small pulley is negligible. D| T D L/2 45° B 30 L/2 mg A wwwww

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Forced undamped vibrations

In mechanical engineering, vibration is expressed as the term that occurs due to an object's backward and forward movement about a point of equilibrium. Generally, there are three types of vibrations which are,