Monday, January 24, 2011
ME2151 ENGINEERING MECHANICS anna university be second semester syllabus download
ME2151 ENGINEERING MECHANICS 3 1 0 4OBJECTIVEAt the end of this course the student should be able to understand the vectorial andscalar representation of forces and moments, static equilibrium of particles and rigidbodies both in two dimensions and also in three dimensions. Further, he shouldunderstand the principle of work and energy. He should be able to comprehend theeffect of friction on
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UNIT I BASICS & STATICS OF PARTICLES
ReplyDeleteIntroduction – 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 III PROPERTIES 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 –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 IV 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.
UNIT V FRICTION 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.