O L2 B L2 k object wwww m ktleli rijit ubuk ULUL According to these; wwwww wwwwwww C k m [kg] 8 L k 2k 2m L [m] 2,2 wwwww www In the system shown in the static equilibrium position, the rod mass m and the object mass 2 m are connected to the 2-tiered reel with massless rigid rods as shown in the figure. The system is forced vibrational movement under the effect of harmonic motion of the table connected to a 2m mass wwwwwwww www wwwww wwwwwwwwwwwwwwwwwwwwww wwwwwwwwwwwww www www.www.www. Makara Yan Grn 2r k [kN/m] 684 3m 2m a) Obtain the differential equation for small vibrations 0 (t) around point O of the rod. wwwwww.www. wwwww r= 0,6m b) What should be the damping coefficient in the system to decrease the vibration amplitude of the www.w wwww ww y(t) = Yo.coscot wwwwwwwwwwww free vibrations of the system by 60% after 3 periods? Calculate. www. www c) Calculate the frequency value at which the forced vibration amplitude is maximum. ww d) Calculate the value of Yo that must be applied so that the forced vibration amplitude is 1/3 of the maximum amplitude. wwwwwwwwwwwwwwww c [kg/s] 348 wwwwww e) Obtain the expression 8 (t) by calculating the forced vibration amplitude of the rod and the phase difference between the motion of the rod and the table. www.www wwwwwww www.in www.www ww w [rad/s] 10 Yo [m] 0.5