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Step 1: Identify forces required for ΣM = Pe
Step 1: Identify forces required for ΣM = Pe



Step 2: Obtain an expression for the moment of inertia I
Step 2: Obtain an expression for the moment of inertia I



Step 3: Obtain variable Q (as a function of y) for the members
Step 3: Obtain variable Q (as a function of y) for the members



Step 4: Use V = ∫q ds to calculate F_{w2}
Step 4: Use V = ∫q ds to calculate F_{w2}



Step 5: Use ΣM_{A} = Pe to find shear centre e
Step 5: Use ΣM_{A} = Pe to find shear centre e



Useful formula:
Useful formula:



Now that you've mastered this question, you can try Question 1.