15. Rotational Equilibrium
Beam / Shelf Against a Wall
Multiple Choice
Multiple ChoiceThe figure shows a 75 kg construction worker sitting on a massless beam with a length of 3.0 m. If the tension in the cable is 1100 N, how far from the left end of the beam is the construction worker sitting?
![A construction worker sits on a 6.0 meter long horizontal beam, 2.0 meters from its right end. A cable extends upward and leftward at a 30 degrees angle above the horizontal from the right end of the beam to the wall.](https://media.pearsoncmg.com/aw/aw_knight_cp_4_du/msa/content/practice-test/img/CH08_Question01.jpg)
A
0.50 m
B
0.76 m
C
1.5 m
D
2.9 m
E
4.5 m
F
2.2 m
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