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Engenharia Mecânica ·

Dinâmica

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1453 m 50 kg θ 30 Vo 0 a constant vs 4 m s λd 8 m p ε 074 V² Vo² 2a 5 50 4² 0² 2a 8 0 16 16a a 1 m s² p Fv v p 2953N 4 m s 074 p 160 kw ΣFxi man f 50 kg 981 m bcn 30 50 kg 1m s f 2953 N 1477 Vga mg h Vga 3 kg 981 m 2 m Vga 58865 Xa 15² 20² 05 Xa 2 m Vcb 12 h² Xb Vcb 12 200 1m ² 2 m Vcb 4100 J Vcb 12 h² Xb Vcb 12 200 1m ² 3 m Vcb 100 J Σpa va TB VB 0 58865 400 12 3 Vb 100 VB 155 m s Vgb m g h Vgb 3 kg 983 m b 0 Vgb 0 Yb 15 05 Xb 1 m κ 200 1 m x 05 m m 3 kg vt 1533 ε 25 Mg 2500 kg FD 600 t² v 20 km h t 0 Mg T 5 s m v1x Σ fxt dt m v2x 2500 kg 56 m 600 t² dt 2500 kg v2x 41000 600 t³ 3 0 5 2500 kg V3x 04000 200 5³ 200 0 3 2500 V2x V2x 156 m s 1539 m 4 kg rep culsa θ 0 V0 0 m s m 2 g θ 60 V0 T2 V2 T3 V3 12 ma mb VB3² 0 ma mb g X1 1 euc 6 12 4 Kg 0002 kg VB3² 4Kg 0002 kg 1081 m 125 1 nan d6 2004 VB3² 49074 1 099432 Σ m Vi Σ m V2 0002 Kg VB3 4 Kg 0002 03663 VB3 733 m s 2004 VB³2 02689 VB 03663 m s 1566 m 05 kg Va 10 m s a VB VB xj VBx 10 m cos 30 VBx 8660 m s S 50 Vo t 3 0 866 t t 0346 s V Vo at VBy 10 em 30 981 0346 VBy 1602 m s VB VB X² VBy² VB 881 m s θ1 Tgj VBx VBx θ2 Tgj 1602 8660 0 105 h 15 10 cm 30 03464 12 981 03464² h 2643 m b e 05 V3 volta parede e VB2 VA2 VA3 VB3 05 VBx2 0 0 866 VB2 4133 m s VB3 433 ² 160 ² VB2 4162 m s VBY 2 VB73 1602 m s θ tg 1 160 ² 41330 θ 203 a S so VB3 t 12 oc t² 2643 0 16527 12 981 t² t 09153 s S S0 VOT S 0 433 981 09153 S 396 m 1S103 Σ Fy 0 Σ Fn man F cos θ 2 9811 0 F sen θ 2 v² 2 cos θ sin² θ cos θ v² 981L l 06 m v v1 5 m s 1 cos² θ1 cos θ1 15² 9811 06 cos² θ1 03823 cos θ1 1 0 θ1 34310 θ θ1 34210 θ θ2 h L1 06 sen 3421 03373 h L2 03 sen θ2 h21 h22 h2 m v1 h2 m v2 0333 2 151 03 sen θ2 2 v2 v2 sen θ2 16867 L 03 θ θ2 v v2 1 cos² θ2 cos θ2 v² 961103 1 cos² θ2 cos θ2 v² 2943 sen² θ2 tg θ2 09661 0 θ2 57866 v2 1992 m s h 06 sen 34210 03 cos 57866 0337 m 12 v1² v2 12 m v1² v2 1tr h1 12 m v2² 23 151 12 23 1 0336 26 1005 12 832 Nm