C(a) For the figure below take M number of you and find the reactions ? * 3 m 3 m 3 m E C 12 M= 32 13 3. 4 50 N

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Q: T T

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Q: A B C D 63.435° 63.435° 63.435° E F G H 5.0 5.0 5.0

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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.