If a 600-b load is suspended by two chains as shown in the figure to the right. What is the magnitude of the force each chain must be able to support? 600 lb Let F, and F, denote the forces exerted by the chains on the load and let Fs be the downward force due to the weight of the load. Place the vectors in a standard coordinate system shown to the right If the load is in equilibrium (so the chains and load are stationary), which of the following equations should stand? O A. -F, -F2 + F3 =0 O B. F, +F2-F3 =0 OC. F, +F, + F3 0 O D. F, -F2 +F3 =0 The force each chain must be able to support is (Type an exact answer.)

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