A 50.0N weight uniform 4 metre long beam is hanging from a cord held out at a 30° angle as shown. And unknown weight not shown in the diagram is also hanging 1 m from the X on the diagram. A) The tension in the cord is measured with a spring balance and found to be 130 N. find the counter clockwise torque from the cord about the X shown in the diagram. B) balance torques to find the torque from the unknown weight that is not shown in the diagram Hint: add the unknown weight to the diagram and do not forget to include the weight of the beam in your calculation

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Forced undamped vibrations

In mechanical engineering, vibration is expressed as the term that occurs due to an object's backward and forward movement about a point of equilibrium. Generally, there are three types of vibrations which are,