The pendulum consists of a 8-kg circular plate and a 3-kg slender rod.  Determine the radius of gyration of the pendulum about an axis perpendicular to the page and passing through point O. kO = ?

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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,