Mechanical Engineering > GATE 2015 SET-1 > Vibration Isolation
A precision instrument package (m=1 kg) needs to be mounted on a surface vibrating at 60 Hz. It is desired that only 5% of the base surface vibration amplitude be transmitted to the instrument. Assume that the isolation is designed with its natural frequency significantly lesser than 60 Hz, so that the effect of damping may be ignored. The stiffness (in N/m) of the required mounting pad is ________.

Correct : 7100

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vibration isolation mechanical engineering GATE Mechanical 2015 Set-1 mount instrument on vibrating surface stiffness calculation vibration isolation mechanical vibrations gate damping effect ignored natural frequency less than 60 Hz vibration transmission percentage mechanical engineering questions gate

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