问题
填空题
体积为2×10-3米3的小球，浸没在水中，求：小球受到的浮力F浮．
答案
∵小球浸没于水中，
∴v排=v=2×10-3m3，
F浮=ρ水gv排=1×103kg/m3×9.8N/kg×2×10-3m3=19.6N．
答：小球受到水的浮力为19.6N．
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体积为2×10-3米3的小球，浸没在水中，求：小球受到的浮力F浮．
∵小球浸没于水中，
∴v排=v=2×10-3m3，
F浮=ρ水gv排=1×103kg/m3×9.8N/kg×2×10-3m3=19.6N．
答：小球受到水的浮力为19.6N．
| 读一读，写一写。 | |
| Peter goes to the library at ten in the morning. Then he has lunch with his friends at one fifteen in the canteen. He goes home at six and has dinner at seven ten. On Sunday, Peter goes to a music class at two in the afternoon. Then he plays computer games, at eight.
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