For the bar system of Figure 2.62, derive the equation of motion for small oscillations about the horizontal equilibrium position assuming the support pin is frictionless. Based on the equation of...

For the bar system of Figure 2.62, derive the equation of motion for small oscillations about the horizontal equilibrium position assuming the support pin is frictionless. Based on the equation of motion, determine the e¤ective mass and e¤ective sti¤ness constant of the system.