engineering recuitment BEL Probationary Engineers Mock Test 2025 Mechanical Vibrations Undamped Free Vibration Vibration of Beam and Pendulum
A rigid uniform rod AB of length L and mass m is hinged at C as shown in the figure below. Ends A and B are supported by springs of springs constants 2k and 3k respectively. The natural frequency of the system is given by
1
(k/m)0.5
2
(5k/m)0.5
3
(k/5m)0.5
4
(15k/m)0.5