Problem 1 (Forced Vibration) For the system shown below, determine the amplitude of the steady state displacement of point A for forced vibration. pivot, O F (t)=0.01 Sin 250 t m 5 kg, length =L beam a=3.0 m b=1.0 m c = 400 N.s/m K=100,000 N/m For a bar, JG m²/12.