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Sathyabama Institute of Science and Technology B.E. - Mechatronics Engineering SMEA1202 Engineering Mechanics Syllabus

SATHYABAMA INSTITUTE OF SCIENCE AND TECHNOLOGY SCHOOL OF MECHANICAL ENGINEERING

SMEA1202
ENGINEERING MECHANICS
(For Aero, Auto, Mech and Mechatronics)
L T P Credits Total Marks
3 * 0 3 100

UNIT 1 BASICS AND STATICS OF PARTICLES 9 Hrs.
Introduction-Units and Dimensions-Laws of Mechanics-Vectors-Vectorial representation of forces and moments - Vector
operations-resolution and composition of forces - equilibrium of a particle - Free body diagram - forces in space-equilibrium
of a particle in space-equivalent systems of forces-principle of transmissibility–Resultant and Equilibrant.

UNIT 2 EQUILIBRIUM OF RIGID BODIES 9 Hrs.
Types of supports and their reactions - requirements of stable equilibrium – Moments and Couples- Varignon’s theorem-
Equilibrium of Rigid bodies in two dimensions- Equilibrium of Rigid bodies in three dimensions.

UNIT 3 PROPERTIES OF SURFACES AND SOLIDS 9 Hrs.
Determination of Areas - First moment of Area and the centroid - simple problems involving composite figures. Second
moment of plane area-Parallel axis theorem and perpendicular axis theorem-Polar moment of Inertia – Principal moments of
Inertia of plane areas – Principle axes of inertia – relation to area moments of Inertia. Second moment of plane area of
simple sections like C,I,T,Z etc. - Basic Concept of Mass moment of Inertia.

UNIT 4 FRICTION 9 Hrs.
Frictional Force - Laws of Coulomb friction - Cone of friction-Angle of repose-relation between cone of friction and angle of
repose- limiting friction-Rolling resistance- Simple contact friction - Screw - Wedge– Ladder- Belt friction.

UNIT 5 KINETICS OF RIGID BODIES AND DYNAMICS OF PARTICLES 9 Hrs.
Dynamics- Classification- Kinematics- Kinetics- Types of energy-Displacement, Velocity and acceleration their relation-
Relative motion - Curvilinear motion - Newton’s Law - D’Alembert’s Principle, Work Energy Equation- Impulse and
Momentum- Impact of elastic bodies- General plane motion.
Max.45 Hrs.

COURSE OUTCOMES
On completion of the course, student will be able to
CO1 - Understand the fundamentals of Statics.
CO2 - Apply the concept of Equilibrium.
CO3 - Evaluate the Centroid and Area Moment of Inertia.
CO4 - Analyze the Friction in different applications.
CO5 - Understand the fundamentals of Dynamics.
CO6 - Analyze overall Rigid body system of Kinematics and Kinetics.

TEXT / REFERENCE BOOKS
1. Bhavikatti S.S., Engineering Mechanics,1st Edition, New Age International publishers, 2017.
2. Bansal R.K., A Textbook of Engineering Mechanics, 4th Edition, Laxmi Publications, 2002.
3. Bedi D.S., Engineering Mechanics,1st Edition, Khanna Publishing Co. (P) Ltdl, 2013.
4. Khurmi R.S. and Khurmi N, Engineering Mechanics, S.Chand Publishing, 2018.
5. Beer & Johnson, “Vector Mechanics for Engineers – Vol I & LL”, 9th Edition, Tata McGraw Hill, 2010.
6. Sharma.D.P, Engineering Mechanics, Pearson, 2010.

END SEMESTER EXAM QUESTION PAPER PATTERN
Max. Marks: 100 Exam Duration: 3 Hrs.
PART A: 10 Question of 2 marks each – No choice 20 Marks
PART B: 2 Questions from each unit with internal choice, each carrying 16 marks 80 Marks