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Problem 7 (15 points) Torsion Given a 30 mm diameter, 1.5 m long steel torsion bar that is part of the suspension system of a bulldozer. Shear modulus, G-80 GPa, Maxim urm shear stress, ται-300 MPa. a. Find the torsion necessary to rotate the far end of the torsion bar 18° relative !g the near end. 2 b, what is the shear stress, τ, at this torsion? 2.1 3 1.7乂14 乂(o-o

please help me doing this problem and please provide step by step thannx

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S T S2 S610 mm 32 32 -12 80 |80 on

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