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3. The pin-connected frame supports the loads P1=5kN and P2=10kN. Determine for an angle of =00 : (a) The normal stress in the bar EC

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3. The pin-connected frame supports the loads P1=5kN and P2=10kN. Determine for an angle of =00 : (a) The normal stress in the bar EC of uniform cross-sectional area 15105m2. (b) The shearing stresses in the 10mm diameter pins at D and E if both are in double shear

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