Solve Clearly
Posted: Fri May 20, 2022 8:24 pm
Solve Clearly
(a) Write down expressions for the mass camping and stiffness matrices for the system shown below. Include units in your answer. [4 marks] x; f(t) f(t) k k2 kz т, m2 C C C: (b) Physical values are m. - 3 kg, m2 -2 kg k- 60 N/m, k2 - 120 N/m, kz - 30 N/m. Calculate the natural frequencies and mode shapes of the (undamped) system. Include units in your answer. [8 marks] (c) Taking (1-2-(3-5 Ns/m.fr -10cos(101) and f2-3f1. calculate the steady state amplitudes and phases of X:(0) and X21) relative to that offs. Include units in your answer. (8 marks)
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