5-27. The 10-lb weight A is supported by the cord AC and roller C, and by spring AB. If the spring has an unstretched ength of 8 in. and the weight is in equilibrium when d = 4 in., Hetermine the stiffness k of the spring. C d A 12 in.. k 0 B nu di-00% orfT r ne- 0

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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,