A wood beam with a cross-section 4 x 6 in. is simply supported at A and B. The beam has a length of 9 ft and is subjected to point load P = 5 kips at mid-span. Calculate the state of stress at point C located 4 in. below the top of the beam and 4.5 ft to the right of support A. Neglect the weight of the beam.

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4 in. A 600 4.5 ft -4 in.. I B 6 in.