mechanical vibration solved examples
is 0.02 m. Solution: Step 1: Calculate the undamped natural frequency (ω n ) ω n = √(k/m) = √(600 / 5) = √120 ≈ 10.954 rad/sec Step 2: Calculate damping ratio (ζ) ζ = c / (2 × √(k × m)) = 20 / (2 × √(600 × 5)) = 20 / (2 × √3000) ≈ 20 / (2 × 54.773) ≈ 20