## Engineering Mechanics

### Objectives:

The scholars finishing this course ar expected to know the ideas of

forces and its resolution in numerous planes, resultant of force system, Forces engaged on a body,

their free body diagrams mistreatment graphical strategies. they’re needed to know the ideas

of centre of gravity and moments of inertia and their application, Analysis of frames and trusses,

different types of motion, friction and application of labor – energy methodology.

### UNIT – I

Objectives: the scholars ar to be exposed to the ideas of force and friction, direction

and its application.

Introduction to Engg. Mechanics – Basic ideas.

Systems of Forces: planar synchronal Forces – parts in area – Resultant – Moment

of Force and its Application – Couples and Resultant of Force Systems.

Friction: Introduction, limiting friction and at hand motion, coulomb’s laws of dry friction,

coefficient of friction, cone of friction

### UNIT II

Objectives: the scholars ar to be exposed to application of free body diagrams. Solution

to issues mistreatment graphical strategies and law of triangle of forces.

Equilibrium of Systems of Forces: Free Body Diagrams, Equations of Equilibrium of planar

Systems, spacial Systems for synchronal forces. Lamis Theorm, Graphical methodology for the

equilibrium of planar forces, Converse of the law of Triangle of forces, converse of the law of

polygon of forces condition of equilibrium, analysis of plane trusses.

### UNIT – III

Objectives : the scholars ar to be exposed to ideas of centre of gravity.

Centroid: Centroids of easy figures (from basic principles ) – Centroids of Composite Figures

Centre of Gravity: Centre of gravity of easy body (from basic principles), centre of gravity of

composite bodies, calyx theorems.

### UNIT IV

Objective: the scholars ar to be exposed to ideas of moment of inertia and polar

moment of inertia as well as transfer strategies and their applications.

Area moments of Inertia: Definition – Polar Moment of Inertia, Transfer Theorem, Moments

of Inertia of Composite Figures, product of Inertia, Transfer Formula for Product of Inertia.

Mass Moment of Inertia: Moment of Inertia of plenty, Transfer Formula for Mass Moments of

Inertia, mass moment of inertia of composite bodies.

I Year – II Semester

L T P C

4 0 0 3** ENIGINEERING MECHANICS **

### UNIT – V

Objectives: the scholars are to be exposed to motion in line and in curving

paths, its speed and acceleration computation and strategies of representing plane motion.

Kinematics: one-dimensional and Curve linear motions – speed and Acceleration – Motion of Rigid

Body – varieties and their Analysis in coplanar Motion. Kinetics: Analysis as a Particle and Analysis

as a Rigid Body in Translation – Central Force Motion – Equations of Plane Motion – mounted

Axis Rotation – Rolling Bodies.

### UNIT – VI

Objectives: the scholars ar to be exposed to ideas of labor, energy and particle motion

Work – Energy Method: Equations for Translation, Work-Energy Applications to Particle

Motion, Connected System-Fixed Axis Rotation and Plane Motion. Impulse momentum methodology.

### Text Books :

- Engg. Mechanics – S.Timoshenko & D.H.Young., 4th Edn – , Mc Graw Hill publications.

References: - Engineering Mechanics statics and dynamics – R.C.Hibbeler, eleventh Edn – Pearson

Publ. - Engineering Mechanics, statics – J.L.Meriam, sixth Edn – Wiley Bharat Pvt Ltd.
- Engineering Mechanics, statics and dynamics – I.H.Shames, – Pearson Publ.
- Mechanics For Engineers, statics – F.P.Beer & E.R.Johnston – fifth Edn Mc Graw Hill

Publ. - Mechanics For Engineers, dynamics – F.P.Beer & E.R.Johnston –5th Edn Mc Graw

Hill Publ. - Theory of engineering mechanics, statics & dynamics – E.W.Nelson,

C.L.Best & W.G. McLean, fifth Edn – Schaum’s define series – Mc Graw Hill Publ. - Singer’s Engineering Mechanics: Statics And Dynamics, K. Vijay Kumar Reddy, J.

Suresh Kumar, Bachelor of Science Publications - Engineering Mechanics, Fedinand . L. Singer, instrumentalist – Collins.
- Engineering Mechanics statics and dynamics , A Nelson , Mc Graw Hill

publications