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A uniform beam of length 20.0 m and mass 50.0 kg is attached to a wall...

A uniform beam of length 20.0 m and mass 50.0 kg is attached to a wall at one end and free to pivot at this point. The beam is held horizontal by a cable attached to the midpoint of the beam and to a point on the wall 5.77 m above the pivot point. The angle between the beam and the cable is 30 degrees. A 20 .0 kg mass hangs from a second cable which is attached to the far end of the beam. A. What is the tension in both of the cables? B. What force is exerted by the beam on the wall at the point of attachment to the wall?

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