What must be the length of bar if twisted through an angle
A 20 mm diameter steel bar is to be used as a torsion spring. If the torsional stress in the bar is not to exceed 100 MPa when one end is twisted through an angle of 15degree, what must be the length of the bar?
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If the torsional stress in the bar is not to exceed 100 MPa when one end is twisted through an angle of 15degree, what must be the length of the bar?
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