If the spring-loaded frame is given a slight vertical disturbance from its equilibrium
Chapter 8, Problem 8/115(choose chapter or problem)
If the spring-loaded frame is given a slight vertical disturbance from its equilibrium position shown, determine its natural frequency of vibration. The mass of the upper member is 24 kg, and that of the lower members is negligible. Each spring has a stiffness of 8/115
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