Rigid bodies and deformable bodies – Strength, stiffness and stability – Stress and strain - Hooke‘s law - Axial deformation of bar – Determinate and indeterminate bars – Poisson‘s ratio - Mechanical properties of materials - Elastic constants– Factor of safety.

Types of beams, loads and reactions – Determinate beams: Cantilever, Simply supported and Overhanging beams - Shear force diagram and Bending moment diagram – Pure Bending– Symmetric bending – Bending normal stress – Bending shear stress.

Deflection of determinate beams: Cantilever, Simply supported and Overhanging beams - Differential equations of the deflection curve – Double integration method – Buckling of columns – Euler‘s theory –Columns with different end conditions – Rankine‘s formula.

Pure Torsional -Torsional deformations of a circular shaft – Torsional shear stress – Angle of twist – Transmission of power by circular shafts – Solid and hollow shafts – Stepped shaft – Springs- close coiled helical springs – Axial loading – Applications of springs.

Plane stress – Principal planes - Principal stresses and maximum shear stress –Mohr‘s circle for plane stress – Stresses in thin-walled pressure vessels – Stresses and deformations in thin cylindrical - spherical shells subjected to internal pressure.