p13_061.pdf

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Chapter 13 - 13.61
61. (a) Setting up equilibrium of torques leads to
F far end L = (73 kg)(9 . 8m / s 2 ) L
4 + (2700 N) L
2
10 3 N.
(b) Then, equilibrium of vertical forces provides
×
F near end = (73)(9 . 8) + 2700
−
F far end =1 . 9
×
10 3 N .
which yields F far end =1 . 5

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