The four-member “A” frame is supported at A and E by smooth collars and at G by a pin. All the other joints areball-and-sockets. If the pin at G will fail when the resultant force there is 800 N, determine the largest vertical force P that can be supported by the frame. Also, what are the x, y, z force components which member BD exerts on members EDC and ABC? The collars at A and E and the pin at G only exert force components on the frame.

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N 300 mm A 600 mm 300 mm E B 600 mm D 600 mm P = - Pk