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ENGINEERING MECHANICS
LECTURE PLAN
Paper Code: ETME 110
Total Teaching during Semester: 15 weeks
TOPICS TO BE COVERED
LECT.
TUT.
1st TERM
Force system
1. Treatment of coplanar force system. Types of supports, load
and reactions at support.
2. Free body diagram, equilibrium, equations and applications.
3. Moments, varignons principle.
4. Equilibrium equations for system of concurrent, parallel and
general forces.
FRICTION
5. Static friction, kinetic friction, laws of dry friction. Coefficient
of friction, angle of friction, angle of repose, cone of friction,
friction lock.
6. Friction of flat, pivot and collard thrust bearing.
7. Friction in general bearings, friction in screws, derivation of
T1/T2 =eµβ for belt and rope drive and its applications.
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IInd term
10. M.O.I by direct integration and composite bodies’ method,
radius of gyration, parallel axis theorem, pappus theorem, polar
moment of inertia.
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1
Kinematics of particles
11. Rectilinear motion, uniform and variable acceleration.
12. Problem in displacement, velocity and acceleration,
rectangular components of acceleration, normal and tangential.
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2
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Structures
8. Plane truss, perfect and imperfect truss, assumptions in
perfect truss, truss by method of joints, method of sections.
Distributed forces
9. Determination of C.G, centre of mass and centroid by direct
integration and by the method of composite bodies. Ist terminal
test.
Kinetics of particles
13. Equation of motion in rectangular components.
14. Equation of motion in normal and tangential components.
15. Work and energy equation, conservation of energy.
16. Impulse and momentum, conservation of momentum.
17. Impacts of bodies, coefficient of restitution and loss of
energy during impact.
Kinematics of rigid body
18. Concept of rigid body, types of rigid body motion, rectilinear
and rotation.
19. Relative velocity and relative acceleration.
20. Instantaneous centre of velocity, four bar mechanism and
single slider mechanism.
IInd term test
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IIIrd term
Kinetics of rigid body
21. Equation of motion, translatory motion and fixed axis
rotation.
22. Application of work and energy principles to rigid bodies.
Conservation of energy.
Beams
23. Shear force and bending moment diagrams.
TEXT BOOKS:
1. Kumar, D.S. Engineering mechanics,
2.
Tayal ,A.K. Engineering mechanics,
3.
Singh, Sadhu. Engineering mechanics,
4.
Jindal,U.C. Engineering mechanics,