Includes index.

Forces, loads and reactions -- idealisations -- Types of loads -- Representation of forces and loads -- Reactions and constraints -- idealisations -- Intensity of internal forces -- average stresses -- Intensity of a normal force acting over an area -- refinement of the concept: normal stress at a point -- Average stresses on an oblique plane -- Variation of internal forces and stresses with position -- Strain as a measure of intensity of deformation -- Mechanical behaviour of materials -- Internal forces and stress -- Internal force resultants -- State of stress at a point: traction -- Traction -- Sign convention -- The stress tensor -- Equality of the conjugate shear stresses -- Stress equations of motion and equilibrium -- Relations between stress components and internal force resultants -- Stress transformation laws for plane stress -- Derivation -- Remarks on the transformation laws (stress as a tensor; invariants of a tensor) -- Transformation law of a vector: the vector as a tensor -- Principal stresses and stationary shear stress values -- Principal stresses: stationary values of [sigma subscript n] -- Maximum and minimum shear stress components -- Summary of results -- Parametric representation of the state of stress: the Mohr circle -- Cartesian components of traction in terms of stress components: traction on the surface of a body -- Deformation and strain -- Types of deformation -- Extensional or normal strain -- Shear strain -- Strain-displacement relations -- Some preliminary instructive examples.

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