Design the bicycle wrench with the approximate dimensions
shown in Figure P7–38. If you need to change dimensions explain why. The wrench
should be made of steel or aluminum alloy. Determine the thickness needed based
on the maximum distortion energy theory. Plot the deformed shape of the wrench
and the principal stress and von Mises stress. The boundary conditions are
shown in the figure, and the loading is shown as a distributed load acting over
the right part of the wrench. Use a factor of safety of 1.5 against yielding.
Round each corner with a 0.1 cm radius.
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