Help Required: Calculate Tensile & Shear Stress for 200mm2 Area

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SUMMARY

The discussion focuses on calculating tensile and shear stress for a component with a cross-sectional area of 200 mm² subjected to a tensile force of 40 kN. The tensile stress is calculated as 200 MN/m² using the formula stress = Force / Area. The participant questions whether shear stress is present when only tensile force is acting and seeks clarification on the relationship between tensile stress and maximum shear stress in this context.

PREREQUISITES
  • Understanding of basic stress formulas, specifically stress = Force / Area
  • Knowledge of tensile and shear stress concepts
  • Familiarity with units of measurement in engineering (e.g., MN/m², kN)
  • Basic principles of material failure modes under different stress types
NEXT STEPS
  • Research the relationship between tensile stress and shear stress in materials
  • Learn about Mohr's Circle for stress analysis
  • Study the effects of combined loading on material stress states
  • Explore failure theories, particularly the von Mises and Tresca criteria
USEFUL FOR

Engineering students, materials scientists, and professionals involved in structural analysis and design who need to understand stress calculations in components under load.

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Homework Statement


Hi i have the following question a component of 200mm2 cross sectional area is subject to a tensile force of 40kn Determine the tensile stress and the maximum shear stress that exist within the component ? I can work out the shear but how can i work out the maximum Shear ?


Homework Equations


stress = Force
area


The Attempt at a Solution


stress = 40,000
0.0002

= 200MN/m2

The problem i have is calculating the other stress any help would be gratefully appreciated
 
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If there's only a tensile force acting, surely the shear stress is 0?
 
I don't know it may but i always thought shear stress was present in all compoenets and in fact in a tenisle stress test the test specimen did not actually fail in tensile stress but in shear stress. I may be looking to far into the question can the tensile stress i have calculated also be the maximum shear or not ?

Thanks in advance
 

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