# Mechanics of Machines If not given take g 9.81 m/s2, ESTEEL 80 GPa. = 200 GPa...

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Mechanics of Machines

If not given take g 9.81 m/s2, ESTEEL 80 GPa. = 200 GPa and GSTEEL 26 GPa EALUMINUM 70 GPa and GALUMINUM = 17 GPa ECOPPER 126 GPa and GCOPPER Question 1
Question 4 A steel cantilever beam, carrying meter. The beam has a length of 25 cm, width of 0,5 cm and thickness of 0,125 cm. The internal friction is equivalent to a damping ratio of 0.01. When the fixed end of the beam is a mass of 0,5 kg at the free end, is used as a frequency subjected to a harmonic displacement y(t) = 0.125 cos wt, the maximum tip displacement has been observed to be 6,25 cm. Determine the forcing frequency [12]

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