The weight of a crate is 300 newtons. Find the tension in each of the supporting cables shown in the figure. The coordinates of the points A, B, C, and D are given below the figure. Round to the nearest newton.
[Figure not necessarily to scale.]
point A = (0,0,-80), point B = (140,0,0), point C = (-50,50,0), point D = (0,-180,0)
A. cable AB = 245; cable AC = 132; cable AD = 126
B. cable AB = 132; cable AC = 126; cable AD = 245
C. cable AB = 132; cable AC = 245; cable AD = 126
D. cable AB = 126; cable AC = 245; cable AD = 132
E. cable AB = 245; cable AC = 126; cable AD = 132
Answer: C
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