The 9.2-kg uniform rod is pinned at end A. If it is also subjected to a couple moment of 50 N⋅m. The spring is unstretched when θ = 0, and has a stiffness of k = 60 N/m. A) Determine the smallest angle θ for equilibrium. θ= ?

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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,