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What Are Fluids?

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Why is there a change in the pressure when the same book is kept in different directions?

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Solution

$l e t b l o c k h a v e d i f f e r e n t t h r e e d i m e n s i o n s l i k e l e n g t h = l b r e a d t h = b h e i g h t = h P r e s s u r e i s g i v e n b y : P r e s s u r e = \frac{f o r c e}{a r e a} w h e n w e k e e p t h e b l o c k a c r o s s t h e d i f f e r e n t s u r f a c e t h e n d i f f e r e n t s u r f a c e a r e a c o m e i n c o n t a c t . t h e r e f o r e w e h a v e d i f f e r e n t p r e s s u r e s .$

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