Cochin University of Science and Technology, Kerala, Electrical & Electronics Engineering Semester 2, Engineering Mechanics Syllabus

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Unit - 1 Introduction to Mechanics

Unit 1

Introduction to Mechanics

1.1 Definition and classification of mechanics – rigid body statics and dynamics and deformable body mechanics.

1.2 Forces and Force systems Force and its characteristics Principles of statics concept of resultant and equilibrant Composition and resolution of forces force systems.

1.3 Coplanar Concurrent force system Equilibrium of two three and more than three forces Moment of a force Varignon’s theorem of moments Equations of equilibrium Friction and its effects on bodies.

1.1 Coplanar Parallel force System

Unit - 2 Moment of Inertia

Unit 2

Moment of Inertia

2.1 Concept of moment of inertia and second moment of area Moment of inertia of regular and composite solids Second moment of area of regular and irregular surfaces Polar moment of inertia second moment of area Product of inertia Principal moments of inertia and principal axes.

2.2Equilibrium equations Concept of load carrying mechanism in trusses and frames – internal axial forces two force and multi force members Analysis of plane trusses by Method of joints and Method of sections Analysis of Plane frames by Method of members.

2.3 Determinacy and Stability of Trusses

Unit - 3 Principle of virtual work

Unit 3

Principle of virtual work

3.1 Concept of virtual work and the principle of virtual workStable and unstable equilibrium.

3.2. Divisions Kinematics Kinetics.

3.3 Kinematics of rectilinear motion – displacement velocity acceleration Kinetics – Differential equations of motion Alembert’s principle in rectilinear translation and its applications Simple harmonic motion Momentum and impulse Work and energy Conservation of energy Collision of two bodies – direct central impact.

Unit - 4 Curvilinear translation

Unit 4

Curvilinear translation

4.1Kinematics of curvilinear translation – components of displacement velocity and acceleration normal and tangential acceleration Kinetics – Differential equations of motion Motion of a projectile – projection on horizontal and inclined surfaces Alembert’s principle in curvilinear motion and its applications Moment of momentum Work and energy in curvilinear motion.

4.2Kinematics of rotation – angular displacement velocity and acceleration Relations of kinematic parameters of linear and angular motionsCompound pendulum DAlemberts principle in rotation Resultant inertia force in rotation Principle of angular momentum in rotation Energy equation for rotating bodies.

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Other Subjects of Semester-2-
Basic civil engineering
Basic mechanical engineering
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