Martin, Louis Adolphe, 1880- · New York, J.Wiley & Sons, Inc.: [etc. etc.] · leaf 145
4 MECHANICS OF MATERIALS The stress existing between two adjacent sections ofthe bar is evidently one of shear and the angle <j> measuresthe deformation or strain resulting from this shearing A i IP ~^^ — L~~~-~~~~~^ /° i r i !< -i —> Fig. 6i stress, so that <j> is also known as… … To find this resisting torque, consider a portion of thebar, x inches long and including the end P, as a freebody (Fig. 62). The material to the right of the section TORSION 125 at x (removed to form the free body) will exert a forceon each and every element, pdpdd, of the section equalto qpdpdO,…
Mechanics
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