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FX2N-4AD FX2N-4DA FX2N-4AD-TC FX0N-3A
FX0N —60MR FX2N —48MT FX —16EYT —TB FX —48ET
FX0N—60MR FX2N—48MT FX—16EYT—TB FX—48ET
∑Fx=0 ∑Fx=0;∑Fy=0 ∑M=0 ∑Fx=0;∑Fy=0;∑M=0
FX2N -4AD FX2N -4DA FX2N-4AD-TC FX0N- 3A
B≥2fx B≥fs fs≥B≥fx fs-fx≥B≥fx
FX2N-4AD FX2N-4DA FX2N-4AD-TC FX0N-3A
Cx=Cs(Fx-F0)/Fs Cx=Cs(Fx/Fs) Cx=Cs(Fx-F0)/(Fs-F0) Cx=Cs(Fs-F0)/(Fx-F0)
[1,2] (0,1/2] [1/2,2] (0,2]
fs≥2fx fs≥fx fs≤fx fs≤2fx
∑Fx=0 Fx=0 Fy=0 ∑Fy=0 ∑Fx=∑Fy