Agricultural Engineering > GATE 2019 > Ergonomics
The combined mass of a tractor seat and operator is 75 kg and the undamped natural frequency of the operator seat is 10 rad s⁻¹. If the seat suspension damping rate is 600 N m⁻¹ s⁻¹, the damping ratio is
A
0.2
B
0.4
C
0.6
D
0.8

Correct : b

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