𝐹 = 𝑭𝑥 𝑖 + 𝑭𝑦 𝑗 + 𝑭𝑧 𝑘 𝐹 = 𝐹· λ 𝐹= 𝐹𝑥 +𝐹𝑦 +𝐹𝑧 𝐹 = 𝐹 · 𝐶𝑜𝑠𝜃𝑥 𝑖 + 𝐶𝑜𝑠𝜃𝑦 𝑗 + 𝐶𝑜𝑠𝜃𝑧 𝑘 λ = TEB = |EB EB| TEB E (210, 400, 0) mm B (480, 0, 600) mm EB = 270i, -400j, 600k mm EB = 𝑭𝑥 𝑖 2 + 𝑭𝑦 𝑗 2 + 𝑭𝑧 𝑘 2 𝟐𝟕𝟎𝟐 + (−𝟒𝟎𝟎)𝟐 +𝟔𝟎𝟎𝟐 𝟓𝟗𝟐𝟗𝟎𝟎 EB = 770 mm EB |EB| Vector unitario = 270i −400j 600k 𝟕𝟕𝟎 600k TEB = TEB · λ = (385 N ) 270i, −400j 𝟕𝟕𝟎 =135i, −200j, 300k N 𝑭𝒙 = 135 N 𝑭𝒚 = -200 N 𝑭𝒛 = 300 N