Engineering Mechanics (EM)

 ENGINEERING MECHANICS                                                 ( 2nd year 3rd semester )

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UNIT I      BASICS & STATICS OF PARTICLES   

Introduction – Units and Dimensions – Laws of Mechanics – Lami’s theorem, Parallelogram and triangular Law of forces – Vectors – Vectorial representation of forces and couples – Vector operations: additions, subtraction, dot product, cross product – Coplanar Forces – Resolution and Composition of forces – Equilibrium of a particle – Forces in space – Equilibrium of a particle in space – Equivalent systems of forces – Principle of transmissibility – Single equivalent force.

 

UNIT II    EQUILIBRIUM OF RIGID BODIES 

Free body diagram – Types of supports and their reactions – requirements of stable equilibrium – Moments and Couples – Moment of a force about a point and about an axis –Scalar components of a moment – Varignon’s theorem – Equilibrium of Rigid bodies in two dimensions – Equilibrium of Rigid bodies in three dimensions – Examples

 

UNIT III  PROPERTIES OF SURFACES AND SOLIDS  

Determination of Areas and Volumes – First moment of area and the Centroid of sections –Second and product moments of plane area – Parallel axis theorem and perpendicular axis theorem – Polar moment of inertia – Principal moments of inertia of plane areas – Principal axes of inertia – Mass moment of inertia

 

UNIT IV   FRICTION AND DYNAMICS OF RIGID BODY  

Frictional force – Laws of Coloumb friction – simple contact friction – Belt friction.

Translation and Rotation of Rigid Bodies – Velocity and acceleration – General Plane motion.

 

UNIT V     DYNAMICS OF PARTICLES  

Displacements, Velocity and acceleration, their relationship – Relative motion – Curvilinear motion – Newton’s law – Work Energy Equation of particles – Impulse and Momentum – Impact of elastic bodies.

 

TEXT BOOKS

 

  1. Engineering Mechanics by R.S. Khurmi, S.Chand Publishers
  2. Natarajan, K.V., Engineering Mechanics, Dhanalakshmi Publishers, 2008.
  3. Rajasekaran,S. and Sankarasubramanian,G., Engineering Mechanics, Vikas Publishing House Pvt Ltd,  2006.
  4. Beer, F. P., and Johnston, E. R., Vector Mechanics for Engineers – Dynamics and Statics, Tata McGraw-Hill, New Delhi, 2001.

 

REFERENCE BOOKS

  1. Palanichamy, M. S., and Nagan, S., Engineering Mechanics (Statics and Dynamics),Tata McGraw Hill, New Delhi 2001.
  2. Kumar, K. L., Engineering Mechanics, Tata McGraw- Hill, New Delhi, 1998.
  3. Shames, I. H., and Krishna Mohana Rao, G., Engineering Mechanics (Statics and Dynamics), Dorling Kindersley India) Pvt. Ltd. (Pearson Education), 2006.
  4. Hibbeller, R.C., Engineering Mechanics, Vol. 1 Statics, Vol. 2 Dynamics, Pearson Education Asia Pvt. Ltd., 2000.

 

Download Engineering Mechanics Study Materials for free from the link below:

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