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A shaft of 100 mm diameter and 1 metre long is fixed at one end and other end carries a flywheel of mass 1 tonne Taking Youngs modulus for the shaft material as 200 GNm2 find the natural frequency

A shaft of 100 mm diameter and 1 metre long is fixed at one end and other end carries a flywheel
of mass 1 tonne. Taking Young’s modulus for the shaft material as 200 GN/m2, find the natural
frequency of longitudinal and transverse vibrations. [Ans. 200 Hz ; 8.6 Hz]
2. A beam of length 10 m carries two loads of mass 200 kg at distances of 3 m from each end together
with a central load of mass 1000 kg. Calculate the frequency of transverse vibrations. Neglect the
mass of the beam and take I = 109 mm4 and E = 205×103 N/mm2.
 

Jun 21 2020 View more View Less

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