Question: A timber beam of span 4 m of rectangular section is to support a UDL 1 0 kN / M over its entire span and

A timber beam of span 4m of rectangular section is to support a UDL10 kN/M over its entire span and a point loaded of 20kN at it center. If the section's depth is twice its breadth and stress in timber is not to exceed 7.5N/mm^2. find the cross-section of beam

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