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**Simple Stresses and Strains**

stress strain graph for ductile material

stress strain graph for brittle material

Mechanical properties of materials

EASY WAY | TOTAL ELONGATION AND UNKNOWN LOAD P PROBLEM – 1

EASY WAY | TOTAL ELONGATION OF BAR PROBLEM – 2

EASY WAY | TOTAL ELONGATION OF BAR PROBLEM – 3

**Shear Force and Bending Moment in Beams**

Axial force, shear force and bending moment diagrams for statically determinate beams including beams with internal hinges for different types of loading

Relationship between rate of loading, shear force and bending moment.

**Theory of Simple Bending**

Bending Stress in Beams – Problem 3

Bending Stress in Beams – Problem 4

Bending Stress in Beams – Problem 5

Bending Stress in Beams – Problem 6

Bending Stress in Beams – Problem 7

Bending Stress in Beams – Problem 8 T section

Bending Stress in Beams – Problem – 9 – cantilever beam T section

**Strain Energy**

Concept of Strain Energy | formula derivation

Strain Energy | Stress due to various types of loads

Strain Energy – Problem – 1 on Gradually applied load

Strain Energy – Problem – 2 on Gradually and Suddenly applied load

Strain Energy – Problem – 3 on Gradually applied load

Strain Energy – Problem – 4 on ELEVATOR

Strain Energy – Problem – 5 on Gradually applied and Impact load

**Shear Stresses in Beams**

**Theory of Simple Torsion**

**Direct and Bending Stresses**

**Columns and Struts**

Rankine’s Formula | Problem – 4 Columns and Struts

Moment of Inertia shortcuts formulas

problem on moment of inertia of T section

**Principal Planes and Stresses**

Principal stresses & strains | Sign convention

Principal stresses & strains | Important Definitions

Principal stresses & strains | Problem – 1

Principal stresses & strains | Problem – 2 ( Plane of Oblique )

Principal stresses & strains | Problem – 3 ( Plane Inclined )