Determine the external moment

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The rigid plate shown in Figure was observed to rotate 1.2? from the vertical plane due to the action of the external moment Mext and the force P. All three bars have a cross-sectional area A = 100 mm2 and a modulus of elasticity E 200Pa. If the strain in bar 2 was measured as zero, determine the external moment Mext and the force P.

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Reference no: EM1387656

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