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An optical table with its content weighing 1 4 7 N is to be protected against nearby vibrations by attaching a weight of 2 9
An optical table with its content weighing N is to be protected against nearby
vibrations by attaching a weight of N with the table. The weight is attached using an
elastic cable of stiffness Nm The table is supported on four columns each of stiffness
Nm Assuming vibrations take place in only vertical plane a draw the DOF model of
the situation given b write down the EOM c solve for the frequencies d modes of
vibration and e the response of the two masses if xt cm and all other initial
conditions are zero.
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