Engr. Philip P. Carpina

Bacolod Tay Tung High School

Galileo

Galileo

Hewitt, Paul G., Conceptual Physics, 9th. Ed.”, Pearson Education (2002). pp. 20-23 “Control of Machines with Friction” by Brian Armstrong-Helouvry (1991), Springer , p. 10. Stillman, Drake, Essays on Galileo and History and Philosophy of Science, vol. 1, “Galileo’s Steps to Full Copernicanism, and Back, pp. 351-362”, University of Toronto Press, 1999. Silverio, Angelina A., Physics: Exploring Life Through Science, 2nd Ed., Phoenix Publishing House, 2011. pp. 177-178.