A channel-shaped member shown in the figure (Dimensions are in mm) acts as a horizontal beam in a machine. When vertical forces are applied to this member, the distance AB increases by 0.025mm and the distance CD decreases by 0.230 mm. What is the sense of the applied moment, and what normal stresses occur in the extreme fibers? (E= 200 MPa)

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200 去- C Section 125 TSE 125 200 去- C Section 125 TSE 125