2.2 R=341,2N 85,31º2.3 R=575,6N 66,4º2.4 R=3,3k N 66,6º2.5 α=99,8 ° e Fbb '=1513,29N2.6 α=20,27 ° e Faa '=341N2.11 P=1741,83N e R=1540,74N2.12 α=42,5° e R=2444,79N2.14 P=1636,78N e R=945N2.15 Mesma da 2.22.16 Mesma da 2.32.18 R=21,79N 73,41º2.20 R=100,3N 21,2º2.21 ( p/800N )→Fx=640N e F y=480N

( p/ 408N )→Fx=192N e F y=−360N( p/ 424N )→Fx=−360N e F y=−224N

2.22 ( p/129N )→Fx=93,41N e F y=88,96N( p/227N )→Fx=106,82N e F y=−200,29N( p/220N )→Fx=−61,6N e F y=211,2N

2.23 ( p/260N )→Fx=235,64N e F y=109,88N( p/180N )→Fx=90N e F y=−155,88N( p/220N )→Fx=−168,53N e F y=−141,4N

2.24 ( p/80N )→Fx=61,28N e F y=51,42N( p/120N )→Fx=41,04 N e F y=112,76N( p/150N )→Fx=−122,87N e F y=86,04N

2.25 a¿P=2318,78N b¿ P y=1899,437N2.28 a¿P=228N b¿ Px=140,6N2.29 a¿P=1465N b¿Py=840N ↓2.30 a¿P=2719,77N b¿Px=2227,91N2.31 R=170,857N eα=35,769 °2.33 R=244,55N e α=−50 °2.37 R=893,67N eα=8,73 °2.38 R=890,37N eα=33,68 °2.41 T ac=418,33N R=417,85N2.42 α=55,81 ° R=900,703N2.44 T ac=440N Tb c=326N2.46 T ac=586N T bc=2190N2.47 T ac=5536,7N T bc=513,52N2.48 T ac=765,77N T bc=1022,73N2.49 F A=5788N FB=1862,8N2.50 Q=560,81N P=2121,32N2.53 T ca=230,36N T cb=197N2.54 128N ≤Q≤307,15N