Question: A 4 m long timber beam A B is loaded as shown in the figure. The weight density of timber is 4 . 5 k

A 4m long timber beam AB is loaded as shown in the figure. The weight density of timber is 4.5kNm. The cross-section of the beam consists of a 100mm20mm bottom flange joined to a 120mm20mm web (see the figure). Determine the maximum permissible value of load P if the allowable bending stress is equal to 10MPa.
A 4 m long timber beam A B is loaded as shown in

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