Oscillation of Torsional Pendulum

DEPARTMENT OF MECHANICAL ENGINEERING ALL Sections must be completed using Block Capitals or typed
CODE AND TITLE OF COURSEWORK Course code: MECH1008 Title: OSCILLATION OF A TORSIONAL PENDULUM

STUDENT NAME: CHEW KOK HAO, DANIEL

DEGREE AND YEAR: MENG IN MECHANICAL ENGINEERING

LAB GROUP: 1

DATE OF LAB. SESSION: 03 OCT 2011

DATE COURSEWORK DUE FOR SUBMISSION: 10 OCT 2011

ACTUAL DATE OF SUBMISSION: 09 OCT 2011

LECTURERS NAME: Dr. PAUL FROMME

PERSONAL TUTORS NAME: Dr. A R GREIG

RECEIVED DATE AND INITIALS:

I confirm that this is all my own work (if submitted electronically, submission will be taken as confirmation that this is your own work, and will also act as student signature)

Signed: via moodle

University College London, Torrington Place LONDON WC1E 7JE

CONTENTS
PAGE No. 1. Introduction......................................................... 2 1.1. Objectives................................................... 1.2. Background................................................. 2. Experimental Procedure...................................... 2.1. Apparatus.................................................... 2.2. Procedure.................................................... 3. Results................................................................. 2 2 2 2 2 3

3.1. Processing of Data....................................... 3 3.2. Analysis of Results....................................... 4 3.3. Error Analysis............................................... 6 4. Discussion of Results........................................... 7

4.1. Comparison with Theory............................... 7 4.2. Discussion.................................................... 8 5. Conclusions.......................................................... 8 6. References........................................................... 9

1

1.

Introduction
1.1. Objectives To investigate the harmonic motion of a torsional pendulum upon angular

References:  Richard Fitzpatrick. 2006. Oscillatory Motion: The Torsion Pendulum. [ONLINE] Available at: http://farside.ph.utexas.edu/teaching/301/lectures/node139.html. [Accessed 09 October 2011]. Martin Tarr. 2011. Mechanical properties of metals. [ONLINE]Available at: http://www.ami.ac.uk/courses/topics/0123_mpm/index.html. [Accessed 09 October 2011]. Jim Crumley. 2011. Torsion Pendulum.[ONLINE] Available at: http://www.physics.csbsju.edu/~jcrumley/370/tp/torsion_pendulum.pdf. [Accessed 08 October 2011]. Gabriela Ines Gonzalez. 1995. Brownian Motion of a Torsion Pendulum Damped by Internal Friction.[ONLINE] Available at: http://www.ligo.caltech.edu/docs/P/P950023-00.pdf.[Accessed 07 October 2011]. Eric W. Weisstein. 2007. Eric Weisstein 's World of Physics: Torsional[ONLINE] Available at: http://scienceworld.wolfram.com/physics/TorsionalPendulum.html. [Accessed 09 October 2011]. Wikipedia, the free encyclopedia. 2011. Young 's modulus[ONLINE] Available at: http://en.wikipedia.org/wiki/Young%27s_modulus. [Accessed 07 October 2011]. Wikipedia, the free encyclopedia. 2011. Oscillation[ONLINE] Available at: http://en.wikipedia.org/wiki/Oscillation. [Accessed 07 October 2011]. Wikipedia, the free encyclopedia. 2011. Harmonic oscillator [ONLINE] Available at: http://en.wikipedia.org/wiki/Harmonic_oscillator. [Accessed 07 October 2011]. Wikipedia, the free encyclopedia. 2011. Torsion[ONLINE] Available at: http://en.wikipedia.org/wiki/Torsion_spring#Motion_of_torsion_balances_and_pendulums.[Acc essed 07 October 2011]. Engineeringtoolbox.com. 2011.Modulus of Rigidity[ONLINE] Available at: http://www.engineeringtoolbox.com/modulus-rigidity-d_946.html. [Accessed 07 October 2011]. Daytronic Corporation. 2011. High-Sensitivity Magnetic Pickup.[ONLINE] Available at: http://www.daytronic.com/products/trans/t-magpickup.htm. [Accessed 08 October 2011].           9