Practice problems for Lecture 5 (1).pdf

Practice problems for Lecture 5 (1).pdf - Example 1 Example...

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Example 1 Example 2 Thin-walled tube torsion Two steel thin-wall tubes in torsion of equal length are to be compared. The first is of square cross section, side length b , and wall thickness t . The second is a round of diameter b and wall thickness t . The largest allowable shear stress is τ all and is to be the same in both cases. How does the angle of twist per unit length compare in each case? Example 3 Deflection in bar tension A bar in tension has a circular cross section and includes a tapered portion of length l , as shown. (a) For the tapered portion, show the deflection is
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