Beam cross section

$[$Problem adapted from $$ Kurt Gramoll CC BY NC$-$SA $4\mathrm{.}0]$

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problem

Problem Statement

A simply supported beam is constructed from two wooden boards as shown. The

beam supports a concetrated load F$=21\mathrm{.}4$kN$.$ If length L$=9\mathrm{.}8$m and cross$-$section

dimensions b$=44$mm and h$=22$mm$,$ determine the shear stress in the glue that

holds the boards together.

Your Answer in units of MPa