Given: mechanism consists of 3 members: (1) block 1 of mass m1=6kg; (2) wheel 2 – non- homogeneous disk of mass m2=17kg with radii R2=37cm, r2=16cm and radius of inertia p2=17cm; (3) wheel 3 - homogeneous disk of mass m3=6kg and radius R3=21cm,. Mechanism is moving in vertical plane from the state of rest under the action of only gravity forces. 3. 1

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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.