浮力問題(40分)!!!!! (form 1)科學help

2010-05-11 5:51 am

what thing can 浮on water and承受重量(除發泡膠)

thank you very much

回答 (3)

2010-05-11 6:12 am

✔ 最佳答案

wood,
some form of PVC, PPL, plastic,
some metal, i think Mg float?
limp of fat
ice
paper
human (barely)
more?

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2010-05-16 12:28 am

所有野都得架，
只要你整到佢好大件，而個重量又輕過同樣體積既水就得架啦，
你望下用鐵做既船，Ｄ鐵咁重，咪又係浮到？

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2010-05-11 6:10 am

Any thing with density less than that of water can float. The lower the density of the material, the larger is the load it can carry.

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