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![[Post New]](/templates/default/images/icon_minipost_new.gif) 3 Jun 2007 14:43:16 IST
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im really feeling about constarint eqns. can any 1 give a proper ans. on how 2 apply velocity,thread pully constaints. pl. help me ill rate evry1. all d replies will b gettin a rating
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3 Jun 2007 14:53:31 IST
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pl. answe sum1
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3 Jun 2007 14:53:55 IST
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hi constrains really need a good practice also DC PANDEY (old edition of 2005-06) is besssssssssssssssssst for understanding cons.
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nobody is wrong
even a stopped clock is right twice a day |
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3 Jun 2007 14:56:18 IST
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can u xplain mee. i dont hav dc pandey
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3 Jun 2007 15:02:31 IST
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sorry, can u tell me wat ur constraints.......i m bad at technical terms
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The string constrani can be explained as .... as long as there is tension in the string (the string is no loose).. the velocity of the two ends of the string ALONG THE STRING will be equal in magnitude.... so to get this eqn... just get the velocities of two ends.. and equate their components along the string....
The 'Normal'constrain states that as long as there is non zero normal force acting b/w two surfaces in contact... the surfaces will remain in contact... that means two surfaces loose contact if and only if the normal force becomes zero..
this constrain also gives a velocity relation.. as long as contact is not lost along the normal... both the surfaces will move equal distance along the normal direction in any given time interval and so, THE VELOCITY COMPONENT OF TWO BODIES IN CONTACT IS EQUAL ALONG THE NORMAL DIRECTION.
got it?? ask if u don gt it....
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Sudeep Kumar
(B tech, IITd)
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3 Jun 2007 15:19:44 IST
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hi sudeep,thanx for answering my qn. i wud b really grateful 2 u if u can explain it with an xample can u show me sum diagrams on what u xplained just now.
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