The figure shows a uniform, horizontal beam (length = 10 m, mass = 25 kg) that is pivoted at the wall, with its far end supported by a cable that makes an angle of 51° with the horizontal. If a person (mass = 60 kg) stands 3.0 m from the pivot, what is the tension in the cable?
a.
0.83 kN
b.
0.30 kN
c.
0.38 kN
d.
0.42 kN
e.
3.0 kN
c
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