The modal equations for a forced 2-degree-of-freedom damped system are given by: ã¤: 26wiä…, w.4i = p.(t) where:wi 23.1458 rad/s and wy = 13.8400 rad/s. and p (t) = 4 cos(20t) and p2 (t) = 18 cos(20
a.Wy = 13.8400 rad/s
b.P (t) = 4 cos(20t)
c.Wi = 23.1458 rad/s
d.P2 (t) = 18 cos(20t)