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분야
hwp◎Measure the static coefficient of friction and kinetic coefficient of friction in various methode and mass, then compare each others.
◎Find the cause of the errors and discuss how they effected on data.
2)Theoretical Background and method
(1)Friction
The definition of friction is 'The force resisting the relative motion of solid surfaces, fluid layers, and/or material elements sliding against each other. It may be thought of as the opposite of "slipperiness".'(Wikipedia "friction"). The friction is caused by electric force between surfaces of materials.
-Halliday, Rensinick, Fundamental of Physics 8th edition, John Wiley & Sons(Asia), 2008, p.260-263.
-'Wikipedia', (http://en.wikipedia.org/wiki/Friction 2010.11.07.)
