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Course Detail

Course Name Engineering Mechanics
Course Code 19MEE111
Program B. Tech. (Bachelor of Technology) in Civil Engineering, B. Tech. in Aerospace Engineering, B. Tech. in Mechanical Engineering
Semester Two
Year Taught 2019


Unit 1

Principles of statics: Introduction to vector approach – free body diagrams- forces in a plane – forces in space – concurrent forces – resolution of forces – equilibrium of particles

Statics of rigid bodies in two and three dimensions: Moment of force about a point – moment of force about an axis – moment of a couple – equivalent force couple system – rigid body equilibrium – support reactions.

Unit 2

Application of statics: Friction – ladder friction – wedge friction – analysis of trusses – method of joints and method of sections.

Centroid and center of gravity: centroid of lines, areas and volumes – composite bodies. Second moment of area – polar moment of inertia – mass moment of inertia – radius of gyration.

Method of virtual work for static equilibrium problems.

Unit 3

Dynamics of particles: kinematics of particles – rectilinear motion – relative motion – relative motion – position, velocity and acceleration calculation in cylindrical coordinates.

Dynamics of rigid bodies: General plane motion – translation and rotation of rigid bodies – Chasle’s theorem – velocity and acceleration calculation in moving frames – Corioil’s acceleration.

Objectives and Outcomes


This course is expected to enable the student to:

  • Understand the force systems and draw free body diagram to analyze rigid body equilibrium
  • Comprehend the principles of Coloum b friction and solve engineering mechanics problems associated with frictional force
  • Compute the centroid, first moment and second moment of an area
  • Understand the concept of motion of particles and rigid bodies.

Course Outcomes

At the end of the course, the student will be able to

CO1 Determine rectangular components of a force
CO2 Obtain the equivalent force – couple system of a given system
CO3 Analyze the equilibrium state of a particle and rigid body
CO4 Estimate the moment of inertia of composite area about centroidal or any arbitrary axis
CO5 Determine the velocity and acceleration of a particle in rectangular and cylindrical coordinate systems and an g u l a r velocity of rigid bodies in general plane motion.

Textbook / References


  1. Beer,F.P. &Johnston,E.R., “Vector Mechanics for Engineers-Statics and Dynamics”, 11/e, McGraw Hill International Book Co., 2017


  1. Hibbeler, R.C., “Engineering Mechanics- Statics and Dynamics”, 14/e, Pearson Education Ltd., 2017
  2. J.L. Meriam and G. Kraige, “Engineering Mechanics – Statics”, 7/e, John Wiley & sons, 2013
  3. J.L. Meriam and G. Kraige, “Engineering Mechanics – Dynamics”, 7/e, John Wiley & sons, 2013
  4. Shames,I.H, “Engineering Mechanics-Statics and Dynamics”, 4/e, Prentice-Hall of India Ltd., 2005

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