Math Formulas in Kungfu (Brick Breaking)

教授會武術，流氓也擋不住 – 川大教授課堂利用數學公式劈磚:

This science professor uses kungfu to demonstrate 2 simple Physics mathematical formulas :

http://youtu.be/0zBceG-LNis

2 formulas:
Impulse : http://www.physicsclassroom.com/class/momentum/u4l1b.cfm

Lever : http://www.theclevver.com/theory.htm