Two systems have the same stiffness and viscous damping coefficient, but one has an equivalent mass of \(2 \mathrm{~kg}\), the other has an equivalent mass of \(3 \mathrm{~kg}\). Which system has a higher damping ratio. Why?

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x 0.8 0.6 0,4 1 0.2- 103 FIGURE SP3.18 (Continued) 0- -0.2 0.4- D.6- -0.8 -1 D 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 t (c) 0.9 0.8 0.7- 0.6- 0.5 (1.4 0.3- *10-9 0.2 0.1- 0- D 0.2 01.4 0.6 0.8 1 1.2 1.4 1.6 1.8. 2 t (d)