Question

Question 4 Xi →ろ sin at it m2, PM Consider the system shown in figure where m is subjected to F Sin(w t). Calculate the system response when m1 m2 and Kt k2- k

Answer 1

Given-that rm 2. Consider sysem 1:- fsin> K,꼬 m, A equation motion込wxittrqu, equation of motion u uittnas; Awurre 차 atthe motion t periodic and Composed < hootmonic notionu

het us conidon K2A2 Sinus sin o. Thex ate in A, and A

rm 岺흔뜩 rm 3K rm E /K from equations n(nurt4.rs))-54.,o.(nm s..} K. e ratio.

K. 1) 3R A2 Ai

Decouplinq i- enera lited ran as mi o 2メ2- mi m m, o

-1 -K 2 K 3K 3K Phinciple

from equation ④LG 2m Gieneral Solubion:- Fsinuot 2.

Sin Sin(us le - us φ.AR, ,ą, aHe delerní ned-trom ini hal e-24rnine conditions