Answer to Question #172436 in Classical Mechanics for John Adrian Tan

Question #172436

compute the maximum force p that can be applied to thte foot pedal. the 6mm diameter pin at b is in single shear, and its working shear stress is 28mpa. the cable attached at c has a diameter of 3mm and working normal stress of 140mpa free


1
Expert's answer
2021-03-18T13:15:00-0400

Answer

Maximum force can be obtain as

ShearStress=shearforceAreaShear \quad Stress =\frac{shear\quad force}{Area}\\


28=17.46Pπ4(6)2P=45.348N28=\frac{17.46P}{\frac{\pi}{4}(6) ^2}\\P=45.348N









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