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                          Step 1:  Determine the stresses that are present at  A
                         
                        
                          Step 1:  Determine the stresses that are present at  A
                         
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                          Step 2:  Calculate the internal forces at  A
                         
                        
                          Step 2:  Calculate the internal forces at  A
                         
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                          Step 3:  Calculate section properties ( I)
                          
                        
                          Step 3:  Calculate section properties ( I)
                          
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                          Step 4:  Calculate stresses and resultant stress
                          
                        
                          Step 4:  Calculate stresses and resultant stress
                          
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                          Useful formula:
                         
                        
                          Useful formula:
                         
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          Now that you've mastered this question, you can try Question 1.