Engineering Mechanics of Materials |
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Page 56
... positive if it points in the direction of the outward normal to the plane . Thus a positive normal stress produces tension and a negative normal stress produces compression . A component of shear stress is positive if it is pointed ...
... positive if it points in the direction of the outward normal to the plane . Thus a positive normal stress produces tension and a negative normal stress produces compression . A component of shear stress is positive if it is pointed ...
Page 84
... positive . Note that as in the case of the normal strain , & , the shear strain is also a dimensionless quantity since it represents a radian measure . In summary , a normal strain is positive if it represents an extension and negative ...
... positive . Note that as in the case of the normal strain , & , the shear strain is also a dimensionless quantity since it represents a radian measure . In summary , a normal strain is positive if it represents an extension and negative ...
Page 306
... positive when the tangent to the elastic curve has rotated counter- clockwise from the undeformed to the deformed position . This is consistent with the mathematical definition of positive slope for a coordinate system with an origin ...
... positive when the tangent to the elastic curve has rotated counter- clockwise from the undeformed to the deformed position . This is consistent with the mathematical definition of positive slope for a coordinate system with an origin ...
Contents
T Shear and Moment at Specified Sections | 24 |
Stress Strain and Their Relationships | 53 |
Stresses and Strains in Axially Loaded Members | 115 |
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acting allowable angle of twist applied Assume axes axis beam bending cantilever centroidal circle column components compressive Compute Consider constant construct coordinate cross section curve deflection deformation depicted in Figure Determine developed diameter direction discussed elastic element energy equal equation equilibrium Example expressed factor failure flexural force free-body diagram function given inertia joint length limit load material maximum shear stress method modulus moment moments neutral axis normal stress Note obtained plane plot positive principal stresses Problem properties quantity ratio reactions Refer to Figure relation represents resist respect rotation segment shaft shown in Figure slope Solution Solve static steel strain strength structural subjected Substitution supported surface tensile tension theory tion torque unit yield zero