SYLLABUS FOR THE SESSION 2008-09
Subject Code : EME-102 / 202
ENGINEERING MECHANICS
UNIT I
Two Dimensional Force Systems:
Basic concepts, Laws of motion, Principle of Transmissibility of
forces, Transfer of a force to parallel position , Resultant of a force system, Simplest Resultant of Two dimensional concurrent and Non-concurrent Force systems, Distributed force system, Free body diagrams, Equilibrium and Equations of Equilibrium, Applications.
Friction: Introduction, Laws of Coulomb Friction, Equilibrium of Bodies involving Dry-friction, Belt
friction, Application.
UNIT II
Beam: Introduction, Shear force and Bending Moment, Differential Equations for Equilibrium, Shear force and Bending Moment Diagrams for Statically Determinate Beams.Trusses:Introduction, Simple Truss and Solution of Simple truss, Method f Joints and Method of sections.
UNIT III
Centroid and Moment of Inertia:
Centroid of plane, curve, area, volume and composite bodies,
Moment of inertia of plane area, Parallel Axes Theorem, Perpendicular axes theorems, Principal Moment Inertia, Mass Moment of Inertia of Circular Ring, Disc, Cylinder, Sphere and Cone about their Axis of Symmetry.
UNIT IV
Kinematics of Rigid Body:
Introduction, Plane Motion of Rigid Body, Velocity and Acceleration under
Translation and Rotational Motion, Relative Velocity.
Kinetics of Rigid Body: Introduction, Force, Mass and Acceleration, Work and Energy, Impulse and Momentum, D’Alembert’s Principles and Dynamic Equilibrium.
UNIT V
Simple Stress and Strain:
Introduction, Normal and Shear stresses, Stress- Strain Diagrams for ductile
and brittle material, Elastic Constants, One Dimensional Loading of members of varying cross-sections, Strain energy.
Pure Bending of Beams: Introduction, Simple Bending Theory, Stress in beams of different cross sections.Torsion: Introduction, Torsion of shafts of circular section, torque and twist, shear stress due to torque.
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