7/27/2019 Cle201 Engineering-mechanics Th 1.01 Ac19

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CLE 201 ENGINEERING MECHANICS

Course Prerequisites: MAT-101

Version No. : 1.01

Objectives:

1. To calculate the reactive forces

2. To analyse the structures3. To know the geometric properties of different cross sections

4. To know the method of virtual work

Outcome: Student will be able to

1. Formulate the equilibrium forces2. Identifying the method of analysis to be used

3. Understand the principles of Virtual work

4. Calculate the sectional properties of the different geometric shapes

Contents:

Introduction To Mechanics & Equilibrium of Forces

Structural Analysis

Friction Properties of Surfaces and Solids

Virtual Work

UNIT I

Fundamental Principles - Vectorial Representation of Forces and Moments Coplanar forces - Resolution and

Composition of forces and equilibrium of particles - Forces of a particle in space - Equivalent system of

forces - Principle of transmissibility - Single equivalent force - Free body diagram - Equilibrium of rigidbodies in two dimensions and three dimensions

UNIT II

Plane trusses - Method of joints - Method of sections Tension coefficient method.

UNIT IIICharacteristics of dry friction Problems involving dry friction Wedges Frictional forces on Square

threaded screws Flat belt Journal bearing Collar bearing Pivot bearings and Discs Rolling

resistance problems involving sliding and rolling frictions.UNIT IV

Centroid - First moment of area Theorems of Pappus and Guldinus Second moment of area momentand Product of inertia of plane areas Transfer Theorems - Polar moment of inertia Principal axes Mass

moment of inertia

UNIT V

Definition of work and virtual work Principle of virtual work for a particle and rigid body Principle of

virtual work for system of connected rigid bodies Degrees of Freedom - Conservative forces Potentialenergy Potential energy criteria for equilibrium Types of equilibrium

Text Book:1. Timoshenko.S & Young.D.H, (1998), Engineering Mechanics, McGraw Hill International Edition.

Reference Books:

1. Tayal.A.K (2002), Engineering Mechanics Statics and Dynamics , Umesh publications.

2. Irving H. Shames (2003), Engineering Mechanics - Statics and Dynamics, Prentice-Hall of India privatelimited.

3. Lakshmana Rao (2004), Engineering Mechanics Statics & Dynamics, Prentice-Hall of India.

Mode of Evaluation: Assignment, Seminar and Written Examination.

Recommended by the Board of Studies on : 31/10/09

Date of approval by the Academic Council : 21/11/09

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