Explain why liquid rises up the straw when we suck at the open end
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This is due capillary action. It is explained as the rise in water in narrow air spaces and tubes without assistance of external forces and also in resistance to external forces such as gravity. This is the force that makes the water rise in a straw in a vessel filled with a liquid.
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hey dear [^-^]
answer is.. There is no such definite force.
When you pull air out of the straw into your mouth, you lessen the atmospheric pressure inside the straw and create a void in it.
This void cannot remain like that... it must be filled.
Since, the outer atmospheric pressure is more now than the atmospheric pressure inside the straw... the outer pressure forces the liquid into the straw to fill that void . That is how the liquid goes into the straw.
✨✨✨✨✨✅✅✅✨✨✨✨✨
hope ita hlp uh dear ^^_^^
answer is.. There is no such definite force.
When you pull air out of the straw into your mouth, you lessen the atmospheric pressure inside the straw and create a void in it.
This void cannot remain like that... it must be filled.
Since, the outer atmospheric pressure is more now than the atmospheric pressure inside the straw... the outer pressure forces the liquid into the straw to fill that void . That is how the liquid goes into the straw.
✨✨✨✨✨✅✅✅✨✨✨✨✨
hope ita hlp uh dear ^^_^^
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