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Andreyy89
3 years ago
15

5. Dibuja en qué posición y en qué sentido se debe aplicar una fuerza sobre la barra para que permanezca horizontal y en equilib

rio estático, si F1 y F2 tienen la misma magnitud

Physics
1 answer:
Vesna [10]3 years ago
7 0

Answer:

La ubicación de una fuerza igual a F₁ × 5/3 (que actúa hacia abajo), que debe aplicarse para el equilibrio estático, es 3 unidades a la derecha del pivote.

Encuentre el dibujo que muestra la posición y dirección de la fuerza requerida

Explanation:

5. Draw in what position and in what direction a force must be applied to the bar so that it remains horizontal and in static equilibrium, if F1 and F2 have the same magnitude

La información dada son;

La magnitud de F₁ = La magnitud de F₂

El punto de acción de F₁ = 3 unidades a la izquierda del pivote

El punto de acción de F₂ = 2 unidades a la izquierda del pivote

Para el equilibrio, el momento en sentido horario debe ser igual al momento en sentido antihorario

El momento en sentido antihorario. Mₐ sobre el pivote = F₁ × 3 + F₂ × 2 = F₁ × 3 + F₁ × 2

El momento en sentido antihorario alrededor del pivote = F₁ × (3 + 2) = F₁ × 5

El momento en el sentido de las agujas del reloj, M_c, para una fuerza F que actúa en el punto 3 unidades a la derecha del pivote si se da como sigue

M_c = F × 3

Para el equilibrio, tenemos;

F₁ × 5 = F × 3

F = F₁ × 5/3

Por lo tanto, la fuerza que debe aplicarse en el lado derecho en la marca de 3 unidades de la barra para el equilibrio estático = F₁ × 5/3.

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