Beam ABC with an overhang BC is subjected to a linearly varying distributed load on span AB with peak intensity q₀ = 2500 N/m and a point load P = 1250 N applied at C. The beam has a width b =100 mm and depth h = 200 mm. Find the state of plane stress at point D located 150 mm below the top of the beam and 0.2 m to the left of point B. Also find the principal stresses at D. Neglect the weight of the beam.

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A 60 L = 2 m DO-- 90 B 0.2 m P C L/4 150 mm