# Problem 3: Find the natural frequency of the system shown in Figure 3. Problem 4: In...

###### Question:

Problem 3: Find the natural frequency of the system shown in Figure 3. Problem 4: In the mechanical system shown in Figure 4, assume that the rod is massless, perfectly rigid, and pivoted at point P. The displacement x is measured from the equilibrium position. Assuming that x is small, that the weight mg at the end of the rod is 5 N, and that the spring constant k is 400 N/m, find the natural frequency of the system. 2a 2 ng ky Figure 3: Mechanical System Figure 4: Mechanical System

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