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1º Trabalho de Mecanica - Juraci de Oliveira Luz Jr. RA: 493195
Forças a serem adotadas:
F
3195
100
31.95 kN Q
3195
100
31.95
kN
m
Exercico 1
FA F FB 1.5 F 47.925
FR1 FA
2
FB
2
 2 FA FB cos 120deg( ) 69.633 kN
γ1 asin
FB sin 120deg( )
FR1






36.587 deg
θ 50deg γ1 86.587 deg
Exercico 2
N2 1.5F 47.925 P2 F
FR2 P2
2
N2
2
 2 P2 N2 cos 105deg( ) 64.111 KN
γ2 asin
P2 sin 105deg( )
FR2






28.775 deg
α γ2 25deg 3.775 deg
Exercico 3
FR3 10F 319.5
T1
sin 45deg( ) FR3
sin 105deg( )






233.89 kN
T2
sin 30deg( ) FR3
sin 105deg( )






165.385 kN
Para o valor minino na corda 2: colocar T2 PERPENDICULAR COM T1
T2p FR3 sin 30deg( ) 159.75 kN
T1p FR3 cos 30deg( ) 276.695 kN
αp 90deg 30deg 60 deg
Exercico 4
IAF 1.5F 47.925
IAFx IAF cos 35deg( ) 39.258 kN
IAFy IAF sin 35deg( ) 27.489 kN
IBF 1.2F 38.34
IBFx IBF cos 70deg( ) 13.113 kN
IBFy IBF sin 70deg( ) 36.028 kN
ICF 0.8F 25.56
ICFx ICF cos 40deg( ) 19.58 kN
ICFy ICF sin 40deg( ) 16.43 kN
Exercico 5
FF 10F 319.5
TAC
sin 70deg( ) FF
sin 60deg( )






346.678 kN
TBC
sin 50deg( ) FF
sin 60deg( )






282.614 kN

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Mathcad mecanica 1

  • 1. 1º Trabalho de Mecanica - Juraci de Oliveira Luz Jr. RA: 493195 Forças a serem adotadas: F 3195 100 31.95 kN Q 3195 100 31.95 kN m Exercico 1 FA F FB 1.5 F 47.925 FR1 FA 2 FB 2  2 FA FB cos 120deg( ) 69.633 kN γ1 asin FB sin 120deg( ) FR1       36.587 deg θ 50deg γ1 86.587 deg Exercico 2 N2 1.5F 47.925 P2 F FR2 P2 2 N2 2  2 P2 N2 cos 105deg( ) 64.111 KN γ2 asin P2 sin 105deg( ) FR2       28.775 deg α γ2 25deg 3.775 deg
  • 2. Exercico 3 FR3 10F 319.5 T1 sin 45deg( ) FR3 sin 105deg( )       233.89 kN T2 sin 30deg( ) FR3 sin 105deg( )       165.385 kN Para o valor minino na corda 2: colocar T2 PERPENDICULAR COM T1 T2p FR3 sin 30deg( ) 159.75 kN T1p FR3 cos 30deg( ) 276.695 kN αp 90deg 30deg 60 deg Exercico 4 IAF 1.5F 47.925 IAFx IAF cos 35deg( ) 39.258 kN IAFy IAF sin 35deg( ) 27.489 kN IBF 1.2F 38.34 IBFx IBF cos 70deg( ) 13.113 kN IBFy IBF sin 70deg( ) 36.028 kN ICF 0.8F 25.56 ICFx ICF cos 40deg( ) 19.58 kN ICFy ICF sin 40deg( ) 16.43 kN
  • 3. Exercico 5 FF 10F 319.5 TAC sin 70deg( ) FF sin 60deg( )       346.678 kN TBC sin 50deg( ) FF sin 60deg( )       282.614 kN