engineering recuitment BEL Probationary Engineers Mock Test 2025 Mechanical Vibrations Undamped Free Vibration Equivalent Stiffness
For the shown figure, if k1 = 10 N/m, k2 = 20 N/m and θ = 30°, then equivalent stiffness of the system will be ________ N/m.
1
6.66
2
12
3
15
4
30