Usando o contexto: ∑ Fx = 0∑ Fy = 0∑ Fz = 0VA + VC + VD – 6 – 9 = 0 => VA + VC + VD = 15 kN∑ MAC = 05VD 5 *6 - 4*9 = 0 5VD = - 30 + 45 =>VD = 1,2 k...

Usando o contexto: ∑ Fx = 0∑ Fy = 0∑ Fz = 0VA + VC + VD – 6 – 9 = 0 => VA + VC + VD = 15 kN∑ MAC = 05VD 5 *6 - 4*9 = 0 5VD = - 30 + 45 =>VD = 1,2 kN ∑ MCD = 0- 3*6 + 5VA – 5*9 = 0 VA = 18 + 45 => VA = 12,6 kN 5VA + VC + VD = 15 kN12,6 kN+ VC + 1,2 kN = 15 kNVC = 15 kN - 12,6kN -1,2 kN => Vc = 1,2 kN Responda: