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An under damped shock absorber is to be designed for a motorcycle of mass 200 kg such that during a road bump,
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The damped period of vibration is limited to 2 sec and the amplitude of vibration should reduce to one sixteen in one cycle,

Find:

a] Spring stiffness.

b] Damping co efficient of the shock absorber.

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$x_2 = \frac{1}{16} x_1$

n = 1

$x_2 = \frac{1}{16} x_1$

$\therefore$ $\frac{x_1}{x_2} = 16$ …

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