engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Mechanical Vibrations Undamped Free Vibration Simple Mass System
A simple spring – mass vibrating system has a natural frequency of ‘ωn’. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become
1
ωn / 2
2
2ωn
3
4ωn
4
8ωn