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![[Post New]](/templates/default/images/icon_minipost_new.gif) 19 Mar 2008 22:35:19 IST
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right normal force acte perpendicular o the surface in contact..now a perpendicular to a hemisphere passes through the centre thus normal passes through the centre......rate if u r satisfied....
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The only place where you will find success before hard work is in the dictionary
A winner never quits.....a quitter never wins......
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this reply: 7 points
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