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*Problem 3:
An 80 kg construction worker sits down 2.0 m from the end of a uniform 1450 kg steel beam to eat his lunch. The
steel beam is in static equilibrium.
a) Draw an extended FBD for the beam.
b) Use Et = Ila to find the tension in the cable. (Answer: 15,255 N)
c) Find the horizontal force applied from the building to the beam. (Answer:
13,211 N)
d) Find the vertical force applied from the building to the beam. (Answer:
7367 N)
Cable
30°
6.0 m

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