![Calculate the force 'F' needed to punch a 1.46 cm diameter hole in a steel plate 1.27 cm thick. The ultimate shear strength of steel is 345 M N/m^2 (Approx). Calculate the force 'F' needed to punch a 1.46 cm diameter hole in a steel plate 1.27 cm thick. The ultimate shear strength of steel is 345 M N/m^2 (Approx).](https://dwes9vv9u0550.cloudfront.net/images/4458184/8e26c311-d632-491a-a66a-1c5cdd0149f9.jpg)
Calculate the force 'F' needed to punch a 1.46 cm diameter hole in a steel plate 1.27 cm thick. The ultimate shear strength of steel is 345 M N/m^2 (Approx).
![Equilibrium of forces used to determine punch force in the x direction. | Download Scientific Diagram Equilibrium of forces used to determine punch force in the x direction. | Download Scientific Diagram](https://www.researchgate.net/publication/7580102/figure/fig4/AS:670481023770637@1536866541280/Equilibrium-of-forces-used-to-determine-punch-force-in-the-x-direction.png)
Equilibrium of forces used to determine punch force in the x direction. | Download Scientific Diagram
![Draw the free-body diagram of the hand punch, which is pinned at ''A'' and bears down on the smooth surface at ''B''. Calculate the reaction forces at ''A'' and ''B''. | Homework.Study.com Draw the free-body diagram of the hand punch, which is pinned at ''A'' and bears down on the smooth surface at ''B''. Calculate the reaction forces at ''A'' and ''B''. | Homework.Study.com](https://homework.study.com/cimages/multimages/16/capture11633128469170668778113.png)