Question
A wire of circular cross-section of diameter 1.0 mm is bent into a circular arc of radius 1.0 m by application of pure bending moments at its ends. The Young’s modulus of the material of the wire is 100 GPa. The maximum tensile stress developed in the wire is ____________ MPa
Answer :
50
Tensile stress σ = (E y)/ R = (100 × 10³)( 1 / 1000 × 2) = 50 MPa
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