Gravitation: Newton’s Law of Gravitation. Motion of a particle in a central force field

(motion is in a plane, angular momentum is conserved, areal velocity is constant).

Kepler’s Laws (statement only). Satellite in circular orbit and applications.

Geosynchronous orbits. Weightlessness. Basic idea of global positioning system (GPS).

(8 Lectures)

Oscillations: Simple harmonic motion. Differential equation of SHM and its solutions.

Kinetic and Potential Energy, Total Energy and their time averages. Damped

oscillations. (6 Lectures)

Elasticity: Hooke’s law – Stress-strain diagram – Elastic moduli-Relation between

elastic constants – Poisson’s Ratio-Expression for Poisson’s ratio in terms of elastic

constants – Work done in stretching and work done in twisting a wire – Twisting couple

on a cylinder – Determination of Rigidity modulus by static torsion – Torsional

pendulum-Determination of Rigidity modulus and moment of inertia – q, η and by

Searles method (8 Lectures)

Special Theory of Relativity: Constancy of speed of light. Postulates of Special

Theory of Relativity. Length contraction. Time dilation. Relativistic addition of

velocities. (7 Lectures)

9

Note: Students are not familiar with vector calculus. Hence all examples involve

differentiation either in one dimension or with respect to the radial coordinate.

Reference Books:

 University Physics. FW Sears, MW Zemansky and HD Young13/e, 1986. Addison-

Wesley

 Mechanics Berkeley Physics course,v.1: Charles Kittel, et. Al. 2007, Tata McGraw-

Hill.

 Physics – Resnick, Halliday & Walker 9/e, 2010, Wiley

 Engineering Mechanics, Basudeb Bhattacharya, 2nd edn., 2015, Oxford University

Press

 University Physics, Ronald Lane Reese, 2003, Thomson Brooks/Cole.

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PHYSICS LAB: DSC 1A LAB: MECHANICS

60 Lectures