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If the allowable tensile stress for the bar is $\left(\sigma_{t}\right)_{\text {allow }}=21 \mathrm{ksi},$ and the allowable shear stress for the pin is $\tau_{\tex...

Question

If the allowable tensile stress for the bar is $\left(\sigma_{t}\right)_{\text {allow }}=21 \mathrm{ksi},$ and the allowable shear stress for the pin is $\tau_{\text {allow }}=12 \mathrm{ksi},$ determine the diameter of the pin so that the load $P$ will be a maximum. What is this load? Assume the hole in the bar has the same diameter $d$ as the pin. Take $t=\frac{1}{4}$ in and $w=2$ in

If the allowable tensile stress for the bar is $\left(\sigma_{t}\right)_{\text {allow }}=21 \mathrm{ksi},$ and the allowable shear stress for the pin is $\tau_{\text {allow }}=12 \mathrm{ksi},$ determine the diameter of the pin so that the load $P$ will be a maximum. What is this load? Assume the hole in the bar has the same diameter $d$ as the pin. Take $t=\frac{1}{4}$ in and $w=2$ in



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Two circular rods, one steel and the other copper, are joined end to end. Each rod is 0.750 m long and 1.50 cm in diameter. The combination is subjected to a tensile force with magnitude 4000 N. For each rod, what are (a) the strain and (b) the elongation?


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