Question

# A nonuniform beam 4.45 m long and weighing 1.08 kN makes an angle of 25 ∘...

A nonuniform beam 4.45 m long and weighing 1.08 kN makes an angle of 25 ∘ 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 1.97 m down the beam from the pivot. Lighting equipment exerts a downward force of 4.96 kN on the lower-left end of the beam. Find the tension T in the cable Find the vertical component of the force exerted on the beam by the pivot. Assume that the positive x and y axes are directed to the right and upward respectively Find the horizontal component of the force exerted on the beam by the pivot. Assume that the positive x and y axes are directed to the right and upward respectively.

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