阿摩線上測驗
題組內容
1. Consider the two-mass system in Figure I, where k1 and k2 are spring constants; x1 and x2 are displacements of m1 and m2, assuming that both springs have their natural lengths when x1 = x2 = 0. The surface is frictionless and f is an external force applied to m1.
(d) Let f(t) =sin(ω0t) and ·
. Find ω0, x2(0), and 
such that x1(t) = 0 for all t≥0.