COMPONENTES RECTANGULARES DE UN VECTOR

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COMPONENTES RECTANGULARES DE UN VECTOR

(método del triángulo) Suma de vectores (método del triángulo) A B A B R R = A+ B

(método del paralelogramo) Suma de vectores (método del paralelogramo) A B A B R R = A+ B B A

Suma de vectores (método del polígono) Dados : A A B B C C D Hallar: A + B + C + D B A C D R = A + B+ C+ D

COMPONENTES RECTANGULARES DE UN VECTOR Ax Cos ө = A A Ay Ay ө Ax Ay Sen ө = A

SUMA DE VECTORES POR COMPONENTES RECTANGULARES B = 5 u ∑ Vx = Ax + Bx By A = 3 u ∑ Vx = (2.58 u)+ (-3.21 u) Ay 50º 30º ∑ Vx = - 0.63 Bx Ax ∑ Vy = Ay + By ∑ Vy = (1.5 u) + (3.83 u) ∑ Vy = 5.33 u Ax = A Cos 30º = (3 u)(0.86) = 2.58 u R2 = (∑ Vx)2 + (∑ Vy)2 Ay = A Sen 30º = (3 u)(0.5) = 1.5 u Bx = -B Cos 50º = (5 u)(0.64) = - 3.21 u R2 = (-0.63)2 + (5.33)2 = (5 u)(0.76) By = B Sen 50º = 3.83 u R2 = 0.39 + 28.4 R2 = 28.79 R = 5.36

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