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M E = 0 : 5T − 30 ⋅10 − 20 ⋅ 5 = 0 T = 80 kN
Fx = 0 : T cos 30 − Ex = 0
Ex = 69.3 kN
Fy = 0 : E y + T sin 30 − 50 = 0 E y = 10 kN
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Fy = 0 : AB sin 60 − 30 = 0 AB = 34.6 kN, D
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Fy = 0 : BC sin 60 − AB sin 60 = 0
BC = 34.6 kN, T
Fx = 0 : BD − AB cos 60 − AB cos 60 = 0
BD = 34.6 kN, D
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Fy = 0 : CD sin 60 − BC sin 60 − 20 = 0
CD = 57.7 kN, D
Fx = 0 : AC + cos 60 ( BC + CD ) − CE = 0
CE = 63.5 kN, T
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M L = 0 : 200 ⋅15 −5.25CB = 0
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M G = 0 :10 ⋅ 8 + 10 ⋅16 + 10 ⋅ 20 = RA ⋅ 24
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CK AK = DJ AJ
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M A = 0 : 12 CJ sin 45 − 10 ⋅ 4 − 10 ⋅ 8 = 0
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M G = 0 :12 DJ + 10 ⋅16 + 10 ⋅ 20 −
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