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A 20-m crane arm with a supporting cable and with a 9000-N box suspended from its end has forces acting on it, as shown in

A 20-m crane arm with a supporting cable and with a 9000-N box suspended from its end has forces acting on it, as shown in Fig. 5.46. Find the forces (in N) from the following equations.

F₁+ 2.0F₂= 26 000

0.87F₁F₃= 0

3.0F₁4.0F₂= 54 000

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