Solved: In Fig. 12-80, a uniform beam of length 12.0 m is
Chapter , Problem 78(choose chapter or problem)
In Fig. 12-80, a uniform beam of length 12.0 m is supported by a horizontal cable and a hinge at angle B = 50.0. The tension in the cable is 400 N. In unit-vector notation, what are (a) the gravitational force on the beam and (b) the force on the beam from the hinge?
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