A beam with the cross-section shown is loaded in such a way that the maximum shear is 4.8 P kN and the maximum moments are 2.5 P kN-m and -3.6 kN+m, where is the applied load in kN. Determine the maximum safe value of P if the allowable shearing stress is 8MPa and the allowable bending stress are 30MPa in tension and 60MPa in compression.

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Members with compression and bending

Compression members are structural elements that carry compressive axial force. They are the vertical members of a building that support beams and their design, which is governed by buckling and strength. Columns are known as struct or compression members, which are subjected to compressive forces. These members provide stiffness to the building and avoid any imperfection regarding the transfer of axial load. For instance, webs in a truss, braces in a framed structure, tiers, and so on.