3. The 4 kg box shown in the figure start from rest at t = 0 in which the friction is negligible. Determine the velocity at t = 1 sec when the box moved from its initial position. (m/ sec.) %3D 9.81 N 4 kg

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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.