( 12 marks LO3) Consider an undan ed two-degree-of-freedom spring-mass system, shown in the f g re below. The motion of the system Es con pletely described by the coordinate 치(t) and x2(t). le H...
( 12 marks LO3) Consider an undan ed two-degree-of-freedom spring-mass system, shown in the f g re below. The motion of the system Es con pletely described by the coordinate 치(t) and x2(t). le Ho Assume: kI- k2 k3 2 Nm, m-m2-1 kg and F-F2- Use the provided white paper to work out your answers, then pick the proper choice from the drop down list The equation of motion of mass 1 is EQ 1-x+6x1-4x2 0 EO 2 x1+4x1-2x2 The equation of motion of mass 2 is EQ-4-2x"2 +4x1 +6x2-o EO 5-x2-4x+4x2-0 EQ 6 x2-2x1+4x20 The frequency equation is EQ9-w- 12w2+12-0 The first natural frequency w The second natural frequency w2-C- : put the small value (rad/s) ) :put the high value
( 12 marks LO3) Consider an undan ed two-degree-of-freedom spring-mass system, shown in the f g re below. The motion of the system Es con pletely described by the coordinate 치(t) and x2(t). le Ho Assume: kI- k2 k3 2 Nm, m-m2-1 kg and F-F2- Use the provided white paper to work out your answers, then pick the proper choice from the drop down list The equation of motion of mass 1 is EQ 1-x+6x1-4x2 0 EO 2 x1+4x1-2x2 The equation of motion of mass 2 is EQ-4-2x"2 +4x1 +6x2-o EO 5-x2-4x+4x2-0 EQ 6 x2-2x1+4x20 The frequency equation is EQ9-w- 12w2+12-0 The first natural frequency w The second natural frequency w2-C- : put the small value (rad/s) ) :put the high value