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原先发布于：Killcam Cameo
11/15/2014 3:02:46 PM
4
So I put a fish in a fish tank...
Does the fish add weight to the tank? I think it is suspended in the water and only adds a fraction of weight (if any) to the tank. Discuss.
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The bouyant force of the water pushes up on the fish, and the fish pushes down on the water likewise. Since the fish is now pushing down on the water, the water pushes down more than usual on the bowl, adding weight. If you want a more technical answer you should post this question at physics.stackexchange.com
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