Question

1) Finding the forces and reactions associated with the following armor is required. Develop each node with its respective equations. State the general system of equations, and solve the system by the method of your choice (Gaussian elimination, LU, other). 2000 lb 1 F1 90° F3 60° 30° H₂ 2 3 F2 Ivy V₂ V₃ a) Enter each of the table-style reactions. (F1 = value, F2 = value, F3 = value, H2 = value, V2 = value, V3 = value). (5 significant figures are recommended for the entire evaluation)

helpp

Answer 1

Q 120volb Assuming length lis- Jength of link howing and points 1&3. & l12= length of link having f GO 3 H₂ 130 Puz end points 1&2. f₂ (There are knowns J. Two Under Equilibrium Ź M₂ = ₂ x (discosso +212 Cos30)= 2000 liz cos3o. 2000 biz 53% li3x1 + biz 3 2000 3 liz 1 (1) 113 + 3 liz W3 = 2 [/3= a fa cinco 6. This Efv=o Vz=-f3 singo f3= - 2000 S lia (l3 +53 212) 85 At node 3. KFY faces 66 2 f3= +4000 liz (direction (compassion (413 753 112) {fl=0 F2 = F3 Cosso - 4000 la x 1 2 (3+53112) (Tension) Tf2= woo liz lista li2 1 f3 At node 1: {fH = 0 » fi singo=of sin 30' f =-F3 72 30 60 55/2 If = f (compression).

At node 2 → K & fu= 0 V₂ = fi sin 30 V2= fi H₂ 30 > F (1) Tv 2 ce EfH=0 H₂ + f2= f Cos 30° Ostat H₂=-fz trofi 2000 liz 4000 liz (li3 +3 112) distf liz loooh H₂= o