A simply supported 4-m long beam is made up of 80% grade Kato. The beam is carrying a uniform load of 12 KN/m all through out its length and a concentrated load of 800 N 1 meter from the left support. The cross-sectional area of the beam is indicated below. a. What is the moment of inertia (in mm4) of the cross-section of the beam? b. What is the value of Q (in mm3)? c.  What is the actual bending stress of the beam in MPa?

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