MT-1620 al.2002 The response is q(t)=Acosot Figure 20.1 Basic unforced dynamic response of single spring-mass system A e 七 But, generally systems have a force, so need to consider Paul A Lagace @2001 Unit 20-5qt MIT - 16.20 Fall, 2002 The response is: () = A cosω t Figure 20.1 Basic unforced dynamic response of single spring-mass system But, generally systems have a force, so need to consider: Paul A. Lagace © 2001 Unit 20 - 5