QUESTION 1 Consider a two-degrees-of-freedom system shown below. k₁ www Use m1= 3 kg m2 = 2 kg k1= 125 N/m k2 = 160 N/m m k3 123 N/m k₂ -00000 F1 - 334 cos(1.91) N F2=0. F₁ M₂ What is the amplitude of vibration of mass 1 oscillating at the input frequency? (This is just another way of asking for the amplitude of the particular solution). The answer must be positive. Use scientific notation with 3 significant figures. Omit units. k mome F₁

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Free Damped Vibrations

Free vibration is a type of vibration in which the external force is removed after giving the initial displacement to a body/system. In other words, in this type of vibration, force is applied at the initial displacement of the system, and after the initial displacement, force is removed, and the system vibrates at the natural frequency.