Page 533 - Thomson, William Tyrrell-Theory of Vibration with Applications-Taylor _ Francis (2010)
P. 533
520 Lagrange’s Equation Appen. E
ized coordinates q., we have
= L Q. 5?, (E -13 )
1
The quantities are known as the generalized forces assoeiated with the
generalized coordinate Lagrange’s equation including nonconservative forces
then becomes
_ dT_ ^ ^ r> i = 1, 2, . . . , yv (E -14 )
dt [ dq- j dq- dq,

