Find the magnitude and position of the balancing mass at a radius of 12cm by using graphical method. Three masses m1, m2, m3, are attached to a shaft and revolve in the same plane. The masses are 10kg, 8kg, and 20kg respectively and their radii of rotations are 4cm, 5cm, 6cm.The angular position of the masses m2, m3 are 45° and 135° from the mass m1

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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.