A 5 lbf weight is suspended from a vertical spring having a stiffness k = 50 lb/ft. An impressed force F = 0.25 sin 8t Ib where t is in seconds is acting on the weight. Determine the equation of motion of the weight when it is pulled down 3 inches from the equilibrium position and released from rest.

A 5 lbf weight is suspended from a vertical spring having a stiffness k = 50 lb/ft. An impressed force F = 0.25 sin 8t Ib where t is in seconds is acting on the weight. Determine the equation of motion of the weight when it is pulled down 3 inches from the equilibrium position and released from rest.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter10: Virtual Work And Potential Energy

Section: Chapter Questions

Problem 10.57P: Find the stable equilibrium position of the system described in Prob. 10.56 if m = 2.06 kg.

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