A simply supported beam of span 4 m carries a concentrated load Pin kN- acting downward at distance 1.5 m from the left support as shown in figure. Determine the mavi value of load that can be allowed...

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Extracted text: A simply supported beam of span 4 m carries a concentrated load Pin kN- acting downward at distance 1.5 m from the left support as shown in figure. Determine the mavi value of load that can be allowed on beam if permissible stresses in tension and compression are 40 MPa and 30 MPa respectively. The cross-section of beam is shown in figure. 60 mm 3 20 mm P 20 mm 1.5 m 4 m 20 mm 100 mm