Lista_do_Cap._02_de_Mec_nica_dos_S_lidos___2015.2

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Lista do Cap. 02 de Mecânica dos 
Sólidos. 
Prof. Rudson Ferreira. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Gabarito: 
2.8: θ = 54,93º; FR = 10,4 kN. 
2,16: ϕ = 38,3º; FAC = 322,97 lb 
2.20: FA = 774 N, FB = 346 N. 
2.21: FA = 893 N, FB = 325 N; θ = 70,0º. 
2.25: FA = 3,66 kN, FB = 7,07 kN. 
2.26: FA = 8,66 kN, FB = 5,00 kN; θ = 60,0º. 
2.27: FA = 439 N, FB = 311 N. 
2.28: FA = 520 N, FB = 300 N; θ = 60,0º. 
2,29: θ = 10,9º; Fmin = 235 lb. 
2,30: θ = 16,2º; F = 97,4 lb. 
2,37: F1 = 275 N, θ = 29,1º. 
2,38: FR = 1,03 kN, θ = 87,9º. 
2,43: FB = 960 N, θ = 68,6º. 
2,44: FR = 839 N; θ = 14,8º. 
2.49: FA = 686 N, θ = 54,3º. 
2.50: FR = 1,23 kN; θ = 6,08º. 
2,52: F3 = 1,20F1; θ = 63,7º. 
2,54: F1 = 434 N; θ = 67º. 
2.55: F3 = 1,12 F1; θ = 117º. 
2.56: F2 = 88,1 lb; θ = 103º. 
2,57: FR = 161 lb; θ = 38,3º. 
2.58: FR = 7,87 kN; F = 2,03 kN. 
2,66: α1 = 45,6º; β1 = 53,1º; γ1 = 66,4º. 
2,67: α1 = 90,0º; β1 = 53,1º; γ1 = 66,4º. 
2.71: F2 = 66,4 lb, α = 59,8º; β = 107º; γ = 144º. 
2.72: α = 124º; β = 71,3º; γ = 140º. 
2,77: F3 = 166 N; α = 97,5º; β = 63,7º; γ = 27,5º 
2,78: F1: (α = 36,9º; β = 90º; γ = 53,1º); FR = (α = 69,3º; β = 52,2º; γ = 45º) 
2,80: F2 = 32,4 lb; α = 122º; β = 74,5º; γ = 144º 
2,92: F = (59,4i – 88,2j – 83,2k) lb; α = 63,9º; β = 131º; γ = 128º 
2,95: FA = (285j – 93k) N; FC = (159i +183j – 59,7k) N 
2,98: FA = (-43,5i + 174j - 174k) N; FB = (53,2i – 79,8j – 146k) N 
2.102: F = (- 6,61i – 3,73j + 9,29k) lb. 
2,106: α = 77,6º; β = 90,6º; γ = 168º. 
2,107: F = (143i + 248j - 201k) lb. 
2,115: θ = 74,2º. 
2.116: rBC = 5,39 m 
2.119: F1 = 333 N; F2 = 373 N. 
2,122: θ = 70,5º. 
2,123: θ = 65,8º. 
2,125: (F2)F1 = 5,44 lb. 
2.126: θ = 100,0º. 
2.127: θ = 34,2º. 
2.128: FX = 47,8 lb; FAC = 45,5 lb. 
2.135: FBA = 215 lb, θ = 52,7º. 
2.140: FBC = 10,5 lb.