2) In Figure QB1.2 are represented the free vibration responses of two mass- spring-damper systems. The...
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2) In Figure QB1.2 are represented the free vibration responses of two mass- spring-damper systems. The two systems have the same mass and the same spring. Which one of the two systems (system 1-dashed line or system 2 - continuous line) has a higher damping ratio? Justify your answer. Jan 2020 5104MECH Applied Mechanics 2 displacement, m 0.1 0.05 -0.05 2 system -system 2 3 Page 7 of 16 time, s Figure QB1.2 Free vibration response for two 1DOF systems [4 marks] 2) In Figure QB1.2 are represented the free vibration responses of two mass- spring-damper systems. The two systems have the same mass and the same spring. Which one of the two systems (system 1-dashed line or system 2 - continuous line) has a higher damping ratio? Justify your answer. Jan 2020 5104MECH Applied Mechanics 2 displacement, m 0.1 0.05 -0.05 2 system -system 2 3 Page 7 of 16 time, s Figure QB1.2 Free vibration response for two 1DOF systems [4 marks]
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