Home                                                                                                         Back


B.E. FIRST YEAR (CIVIL, MECHANICAL, ELECTRICAL)
103 : ENGINEERING MECHANICS

 

1.    Introduction   : 
       Scalar and vector quantities, composition and resolution of vectors,  definitions and units of space, time, matter  and force, C.G.S. and F.P.S. systems, the science of mechanics.

2.    Statics : 
       Principles of statics, rigid body, support reactions, types  of supports-fixed,   hinged and roller, free body diagrams, composition  and resolution of forces, moment of a force. 
       Coplanar, concurrent and non-current, parallel and non-parallel   forces, couples and their properties, combination of coplanar couples and forces, distributed forces. Analytical   and  graphical conditions of equilibrium for  coplanar force systems,  simple  cases   of  concurrent  forces   in  space,  concept    of statically determinate and indeterminate problems.  
       Plane frame-simplifying assumptions used in the analysis of frames. Perfect,  imperfect and redundant frames, analysis of frames,   method  of joints,   graphical  and   analytical  method  of   sections,   method   of substitution.

3.    Centre  of  gravity and moment of inertia : 
      Centre of gravity  of   lines, plane  areas, volumes and bodies, Pappus theorems, moment of inertia    of areas,  polar moment   of  inertia, radius  of   gyration,  parallel  axes theorem, moment of inertia of bodies.

4.    Friction  :  
      Theory of friction, static and sliding friction,  laws  of friction, angle  and coefficient of friction, function  of friction  in nature and engineering, wedges, belt and rope friction, screw friction.

5.    Kinematics  :  
      Motion   of  a   particle,  speed,  velocity,   acceleration, rectiliner motion-uniform and variable velocity and acceleration, motiontime  curves, relative velocity, circular motion, constant   and  variable angular acceleration, relation between linear and angular   acceleration, simple harmonic motion.

6.    Kinetics  : 
      Mass, inertia, Newton's laws of motion, force,   absolute  and derived  units,  gravitational   force,  engineer's  units, constant  and variable forces, motion along inclined planes, moment and impulse,  work, energy-kinetic and  potential, conservation of energy,  impact,   torque, angular  acceleration,  energy  of  rotating  bodies, flywheel  and  its function, angular momentum, plane motion of rigid bodies,   instantaneous centre, De Alembert's principle.

7.    Simple  Machines  :   
      Velocity ratio, mechanical  advantage,  efficiency, simple machines such as levers, inclined plane, pulley and pulley blocks, wheel and axle, differential pulley blocks, worm and compound screw jacks etc. reversibility of machines.

*     Term Work : 
      Laboratory   practice, sessional work and term work shall be based on   the course under Engineering Mechanics.

*     Books : 
     1. Engineering Mechanics (Statics)             Beer and Johnston
     2. Engineering Mechanics (Dynamics)         Beer and Johnston
     3. Engineering Mechanics Vol I                  Meriam J. L.
     4. Engineering Mechanics Vol II                 Meriam J. L.
     5. Applied Mechanics                               S. B. Junnarkar and H. J. Shah


±J