The spherical 8-lb ball B is released from rest when theta =0 and the spring force is 200 lb. Find the speed of the ball at theta= 90. Neglect the mass of the link OB and the size of a ball

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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,