7. The figure shows spring-mass system. What is the equation of X1 expressed in terms of F1 ? (using the exponential form of x1= X1e^(jwt) , x2=X2e^(jwt), F1=F1e^(jwt) ) X2 F1 m k k k Answer 1 F1 X1 =...

It's mechanical vibration question. Pls solve it


Extracted text: 7. The figure shows spring-mass system. What is the equation of X1 expressed in terms of F1 ? (using the exponential form of x1= X1e^(jwt) , x2=X2e^(jwt), F1=F1e^(jwt) ) X2 F1 m k k k Answer 1 F1 X1 = 1 + m 'wi w2' w - w2 Answer 2 F1 X1 = 1 =)^2 + 3(- =)^2} m wf Answer 3 F1 X1 = =)^2} wi - w m wf - w Answer 4 F1 X1 = m 'wf 1 + 3. w - w