Text Books

Any class 11 physics text book(Chapter: Mechanical Properties of Solids)

Internet

https://faraday.physics.utoronto.ca/IYearLab/Intros/TorsionPend/TorsionPend.html

Java apps/apps

https://nanooptics.colorado.edu/fileadmin/Teaching/phys1140/lab_manuals/LabManualM4.pdf

Videos

https://www.youtube.com/embed/P-eJIXZimmQ (Physics Lab Demo: Torsional Pendulum)

Bibliography

Encyclopædia Britannica. (n.d.). Hooke's Law. Retrieved May 15, 2017, from Encyclopædia Britannica: https://www.britannica.com/science/Hookes-law

Fox, J. G., & Mahanty, J. (1970). The Effective Mass of an Oscillating Spring. American Journal of Physics, 38, 98-100. doi:10.1119/1.1976240