system dynamics and vibration homework

system dynamics and vibration homework.

I don’t understand this Engineering question and need help to study.

6 questions.

example:

Question 3 (Modes of vibrating systems). Consider the system shown in Figure 3.

  1. (a) The masses are m1 = 10 kg and m2 = 30 kg. The spring constants are k1 = 104 N/m and k2 = 2 × 104 N/m. Calculate the natural frequencies and the mode ratios (A1/A2) of the system.
  2. (b) Explain the meaning of the mode ratios in relation to how the masses move relative to each other and the frequencies at which these motions occur.

system dynamics and vibration homework

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