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Up or down or... (Posted on 2005-07-22) Difficulty: 3 of 5
A jar filled partially with water has an object floating in it. The jar is open. Now, if the jar is closed and a vacuum pump is used to pump the air out, what will happen to the floating object? will it rise up more or sink or ...? and why?

No Solution Yet Submitted by nilshady    
Rating: 2.3333 (3 votes)

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object | Comment 1 of 20
it will sink because the tension on the water will be released and therefore there will be no surface tension to keep the object floating.
  Posted by jon on 2005-07-22 15:04:03
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