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![[Post New]](/templates/default/images/icon_minipost_new.gif) 21 Nov 2007 17:56:02 IST
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okokok.... i got it......
then its easy....
see 1 layer exerts only 1 force on the second layer i.e. its weight.....now let us assume that there is friction b/w them .. now as it will act in hor. direction & there is no balancing force in hor. dir. so our supposition was wrong.hence friction doesn't exist b/w the layers...
arrey dekho na, if friction exist then there must be sumthing dat can balance this fric. force but as there is no force in hor. dirc. so no friction...
hope u got it!!
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