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20. Write the differential equation of free vibrations of
beams with one degree of freedom. How do you
obtain the solution of this equation?
21. How do you calculate the frequencies of vibration of
the system with one degree of freedom?
22. Write the differential equation of forced vibrations of
beams with one degree of freedom. How do you
obtain the solution of this equation?
23. How do you calculate the growth of rate
fluctuations?
24. Can you calculate the coefficient of dynamic
vibrations of an elastic system with one degree of
freedom?
25. How do you determine the maximum stress in the
beam with one degree of freedom , which undergoes
forced vibrations?

8 BEAM ON ELASTIC FOUNDATION

8.1 Model of elastic foundation

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