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![[Post New]](/templates/default/images/icon_minipost_new.gif) 17 Jun 2008 12:05:21 IST
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we have
PASCAL LAW:
If the pressure in a liquid is changed at a particular point, the change is transmitted to the entire liquid without being diminished in magnitude.
someone said the correct defination shuld be :
If the pressure in a liquid is changed at a particular point, the change is transmitted to the entire liquid without being diminished in magnitude , provided the effect of gravity is neglected.
where from this " provided the effect of gravity is neglected. " comes ? I hav not found it.
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altitude begets altitude. |
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17 Jun 2008 12:13:25 IST
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http://www.goiit.com/chapters/tutorial/physics/fluid-mechanics-2.htm
no where mentioned dat " provided the effect of gravity is neglected "
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altitude begets altitude. |
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17 Jun 2008 12:25:35 IST
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why should we consider gravity its just pressure naa if applied to liquid then its uniformly distributed to entire liquid
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17 Jun 2008 12:27:15 IST
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u r right. and so this " provided the effect of gravity is neglected " is wrong.
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altitude begets altitude. |
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17 Jun 2008 12:30:48 IST
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now plz help me in this Q
http://www.goiit.com/posts/list/mechanics-fluid-mechanics-67933.htm
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altitude begets altitude. |
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17 Jun 2008 12:33:40 IST
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yup the sentence has to be wrong coz i have never seen it in our ncert text book of 11th std
ya in the mean time i was looking at ur other ques......iam not getting it....
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17 Jun 2008 12:44:25 IST
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me too have never seen it .
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altitude begets altitude. |
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17 Jun 2008 16:14:44 IST
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In Pascal's law there is no need to mention the gravity clause. But in case gravity is present ,fluid pressure will not be same everywhere. There will be a pressure gradient due to fluid head. May be to make it clear the term "provided........... " is added by the author.
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