For the system shown in Figure 1, the natural frequency of the system is 170 Hz. The rod has length 15 m and cross section area 37 cm2. The stiffness of the springs (K) is 131 N/m and the mass attached to the massless rod is 6 kg. Determine the Young’s modulus of the rod in GPa.

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Strain Gauges

All the components used in civil engineering and mechanical engineering applications undergo deformations due to induced internal stresses under the application of external loads. Under repeated application of loads, there is a high possibility of failure of the components. Hence, periodic monitoring of the components and determination of stresses are very important.