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i need help finding principal atress ,direction cosine and mohr circle thank you





i need help finding principal atress ,direction cosine and mohr circle

thank you0FCADEDD-C6E9-4B7A-B191-6FC4D2E6E670.jpeg

0FCADEDD-C6E9-4B7A-B191-6FC4D2E6E670.jpeg

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i) Principal stresses are -70 MPa , 30 MPa ii) Principal directions are  ​ √ ​ 5 ​ ​ ​ ​ ​ 1 ​ ​ [ 2... View the full answer

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