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The damping coefficient ς is a parameter which determines the behavior of the damped system
1/sq. root of gain
It is the opposite of normal damping (oscillation decreases), so in negative damping to get even bigger oscillation.
The amplitude of resonant oscillations can be reduced by damping.
Light damping reduces oscillations slowly.
Heavy damping reduces oscillations quickly.
Critical damping stops the oscillation within one cycle.
The graph above shows light damping.
critical damping is when the amount of damping is large enough for the system to return to
equilibrium as fast as possible without performing oscillations. Hope thatHELPED