The equation of motion for a vibrating system with viscous damping is `(d^2 x)/(dt^2) + c/m xx (dx)/(dt) + S/m xx x =0`
if the roots of the equation are __________ then the system will be under damped.
The ratio of velocities of the shafts connected by Hooke's joint is given by (where N and N1
= Speed of driving and driven shafts (in r.p.m.) respectively,`theta` =
Angle through which the arms of the cross turn, and `alpha` = Angle of
inclination between the two shafts)
In a flat collar pivot bearing, the moment due to friction is proportional to