A vibratory system consists of a mass 12.5 kg, a spring of stiffness 1000N/m , and a dash-pot with damping coefficient of 15 Ns/m.The value of critical damping of the system is
A. 0.223 Ns/m
B. 17.88 Ns/m
C. 71.4 Ns/m
D. 223.6 Ns/m
Answer:D
A vibratory system consists of a mass 12.5 kg, a spring of stiffness 1000N/m , and a dash-pot with damping coefficient of 15 Ns/m.The value of critical damping of the system is
A. 0.223 Ns/m B. 17.88 Ns/m C. 71.4 Ns/m D. 223.6 Ns/m