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The mass-spring-damper system shown in Figure 1 is initially at rest in a position of equilibrium. The aim of this work is to find the steady-state response of the system

when the mass is subjected to an external applied periodic force F(t) having the form of the square wave in Figure 2. (i) Explain and write the related equations for the displacement x(t) of the mass at time t and its system transfer function for Figure 1.[2 marks]

Fig: 1

Fig: 2

Fig: 3

Fig: 4