Solution of task 21.1.5 from the collection of Kepe OE

Solution of task 21.1.5 from the collection of Kepe OE

21.1.5
A square homogeneous, non-deformable plate weighing 10 kg can rotate in a horizontal plane around the hinge O. Determine the natural frequency of small oscillations of the plate if the springs are equal and the stiffness coefficient of each is 1 kN / m. (Answer 2.76)

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