Anonuniform beam 4.50 m long and weighing 1.40 kn makes an angle of 25.0° below the horizontal. it is held in position by a frictionless pivot at its upper right end and by a cable 3.00 m farther down the beam and perpendicular to it
the center of gravity of the beam is 2.00 m down the beam from the pivot. lighting equipment exerts a 5.00-kn downward force on the lower left end of the beam. find the tension t in the cable and the horizontal and vertical components of the force exerted on the beam by the pivot. start by sketching a free-body diagram of the beam.