engineering recuitment HPCL Engineer Mock Test 2024 Mechanical Vibrations Undamped Free Vibration Equivalent Stiffness
A machine component of 90 kg mass needs to be held in position using three springs as shown below. The spring constants k1, k2 and k3 are 4, 4 and 8 N/m respectively. Find the natural frequency of the system in rad/sec.
1
0.33
2
0.42
3
0.13
4
3.0