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koab1mjr
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Homework Statement
Conceptual question - When considering beam connected to something say a wall by a cylindar shaped pin, why is it when the beam is in tension near the pin the stress is high as the load is applied over a smaller cross section (normal cross section - profile of the pin) but when in compression one ignores the pin and takes the full cross sectional area?
Homework Equations
stress is force/ area
The Attempt at a Solution
The book I am using ignores the pin when beams are in compression. When using that approach i get the write answer but without understanding it is meaningless
Thanks in advance