damu (nbd469)- HW11 39.6cm is pivoted at one end, and the op- posite end is attached to a spring constant 454 N/m. The height of the pivo has been adjusted so that the plank wil1 be i equilibrium when it is horizontally oried as in the figure. orce 2.29 kg 39.6 cm Find the period of small oscillation about the equilibrium point. Answer in units of s. 454 N/m ell

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Free undamped vibrations

Whenever an object/system displaces in either side of its equilibrium position with the help of an external/internal means, then the object/system moves regularly or randomly on both sides of its equilibrium position. This motion is called vibration. Generally, there are three types of vibration: longitudinal vibration, transverse vibration, and torsional vibration.