Homework Help: Science

Posted by Anonymous on Friday, April 9, 2010 at 1:59pm.

A nonuniform beam 4.52 m long and weighing 1.03 kN makes an angle of 25 degrees below the horizontal. It is held in position by a frictionless pivot at its upper-right end and by a cable a distance of 3.06 m farther down the beam and perpendicular to it (see Figure 11.31 in the textbook). The center of gravity of the beam is a distance of 2.06m down the beam from the pivot. Lighting equipment exerts a downward force of 5.06 kN on the lower-left end of the beam.

Science - Tucker, Sunday, November 20, 2011 at 12:20pm
The questions following this statement include: 1. find the tension T in the cable.
2. Find the X and Y components of the force exerted on the beam by the pivot. Please help I understand stresses but I don't understand how tension plays into it.

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