A 8.0 kg sign hangs from the end of a metal rod with a length of 1.5 m, with its own mass of 3.0 kg. A thin, massless chain is attached to the wall 0.200m above the rod, and connects to the rod 1.30 m from the wall. Obviously, this sign is meant to remain stationary. In order for that to be true, what is the net force supplied by the wall on the rod and at what angle above the horizontal?

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