ENGINEERING MECHANICS |
UNIT I BASICS and STATICS OF PARTICLES |
Introduction – Units and Dimensions – Laws of Mechanics – Lame’s theorem,
Parallelogram and triangular Law of forces – Vectors – Vectorial representation of
forces and moments – 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 – Vectorial representation of moments and couples – Scalar
components of a moment – Varignon’s theorem – Equilibrium of Rigid bodies in
two dimensions – Equilibrium of Rigid bodies in three dimensions – Examples |
UNIT IIIPROPERTIES OF SURFACES AND SOLIDS |
Determination of Areas and Volumes – First moment of area and the Centroid of
sections – Rectangle, circle, triangle from integration – T section, I section, -
Angle section, Hollow section by using standard formula – second and product
moments of plane area – Rectangle, triangle, circle from integration – T section, I
section, Angle section, Hollow section by using standard formula – 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 – Derivation of mass moment of inertia for rectangular section, prism,
sphere from first principle – Relation to area moments of inertia. |
UNIT IVDYNAMICS 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. |
UNIT VFRICTION AND ELEMENTS OF RIGID BODY DYNAMICS |
Frictional force – Laws of Coloumb friction – simple contact friction – Rolling
resistance – Belt friction.
Translation and Rotation of Rigid Bodies – Velocity and acceleration – General
Plane motion. |
Text Book |
1. P.C.Jain and Monica Jain, “Engineering Chemistry” Dhanpat Rai Pub, Co.,
New Delhi (2002).
2. S.S.Dara “A text book of Engineering Chemistry” S.Chand & Co.Ltd., New
Delhi (2006). |
References |
1. Rajasekaran, S, Sankarasubramanian, G., “Fundamentals of Engineering
Mechanics”, Vikas Publishing House Pvt. Ltd., (2000).
2. Hibbeller, R.C., “Engineering Mechanics”, Vol. 1 Statics, Vol. 2 Dynamics,
Pearson Education Asia Pvt. Ltd., (2000).
3. Palanichamy, M.S., Nagam, S., “Engineering Mechanics – Statics &
Dynamics”, Tata McGraw-Hill, (2001).
4. Irving H. Shames, “Engineering Mechanics – Statics and Dynamics”, IV
Edition – Pearson Education Asia Pvt. Ltd., (2003).
5. Ashok Gupta, “Interactive Engineering Mechanics – Statics – A Virtual Tutor
(CDROM)”, Pearson Education Asia Pvt., Ltd., (2002).
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