MadSci Network: Physics
Query:

Subject: why does particles move towards the center of the cup instead of outer rim?

Date: Tue Sep 30 06:54:59 1997
Posted by John Wu
Grade level: 10-12
School: International School Jakarta
City: Jakarta State/Province: No state entered.
Country: No country entered.
Area of science: Physics
ID: 875620499.Ph
Message:
When we stir a cup of tea, the floating tea leaves collect at the 
center of the cup rather than at the outer rim. Can you explain this?

thanks!

Re: why does particles move towards the center of the cup instead of outer rim?

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