Page 4 - Vibrations 5
P. 4
2
1 − ( )
() =
2 2 2
[ {1 − ( ) } + (2/ ) ]
and
−2/
() = 2
2 2
[ {1 − ( ) } + (2/ ) ]
The total displacement lag behind the force vector is given
by,
2/
= tan −1 [ 2 ]
1 − ( )
The steady state solution becomes,
1
= (−)
2 2
√ {1 − ( ) } + (2/ ) 2
3
