mechanics of materials ,strength of materials, bar ,solid bodies,beam,shaft,column,strut,mechanical members, mechanics of Deformable bodies, tow bar, connecting rod, transmission shaft, metro pillar, Howrah bridge, Godavari Bridge, coronation bridge, Pamban Bridge Tamilnadu

1. Introduction to Mechanics
of Materials

2. What is Mechanics of materials?
The Mechanics of materials is a branch of applied mechanics
that deals with behaviour of solid bodies subjected to various
types of loadings.

3. Solid bodies:
• Bar
• Beam
• Shaft
• Column

4. Bar
A bar is a mechanical member which is subjected to an axial load
directed along the axis of the member
Tow bar, landing gear strut, Truss members, Connecting rods,
elevator cables and cables in suspended roof systems.

5. Tow Bar Connecting rods

6. Landing Gear Strut Roof truss Elevator Cable

7. Beam
A beam is a mechanical member which is subjected to a
transverse load directed perpendicular to axis of the member

8. Howrah Bridge, Kolkata Pamban Bridge, Tamil Nadu

9. Coronation Bridge, Darjeeling Godavari Arch Bridge, Andhra Pradesh

10. Shaft
• A shaft is a rotating member usually of circular cross-section (solid or
hollow), which transmits power and rotational motion.
• A shaft is a mechanical member which is subjected to a twisting
moment that tend to produce rotation about the longitudinal axis.
• Drive shaft of the car connecting engine to rear axle, crank shaft are
examples

11. Drive shaft Crank shaft

12. Column or Strut
A Strut or column is a mechanical member that takes axial compressive
loads.
Struts will not be vertical but also it will be inclined or horizontal members in
structures. If one strut is vertical then it will be considered as column not
strut

13. Buckling of a metro pillar