Question: If the spring on rope OB has been stretched a distance δ. and fixed in place as shown, determine the tension developed in each of

If the spring on rope OB has been stretched a distance δ. and fixed in place as shown, determine the tension developed in each of the other three ropes in order to hold the weight W in equilibrium Rope OD lies in the x-y plane.

Given:
a = 2 ft
b = 4 ft
c = 3 ft
d = 4 ft
e = 4 ft
f = 4 ft
xB = −2 ft
yB = −3 ft
zB = 3 ft
θ = 30 deg
k = 20 lb/in
δ = 2 in
W = 225 lb

FOB Foc (Xg.yg-Zg) FoA FOD

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