The pin is used to connect the three links together. Due to

wear, the load is distributed over the top and bottom of the

pin as shown on the free$-$body diagram. The diameter of the

pin is $d=10\mathrm{.}7mm.($Figure $1)$

Determine the maximum bending stress on the cross$-$sectional area at the center section a$-$a$.$ For the solution it is first necessary to determine the load

intensities $w_1$ and $w_2.$

Express your answer to three significant figures and include the appropriate units.

Figure

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