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![[Post New]](/templates/default/images/icon_minipost_new.gif) 31 Dec 2007 20:35:07 IST
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The solution problem turn extremley tedious had the length of the string been constant... In this case, as the disc rotates, the point to which teh string is tied comes down, so the string is no more horizontal... then the tension is not horizontal.... going on and on... the problem turns in to a huge demon... i tried to solve this way, when i was preparing for JEE, but never solved it successfully.
In any problem like this, unless other wise specifically stated, u can assume that the sring is wound around the disk.
"Strings tied to fixed point" problems can be solved only in linear motion...
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Satyaram B V,
General Secretary, Mandakini Hostel,
IIT Madras |
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