| P |
| v |
| W有用 |
| W总 |
| F拉h |
| FS |
| (G-F浮)h |
| Fnh |
| G-F浮 |
| nF |
| 1 |
| n |
| 1 |
| n |
| P |
| F′ |
| P |
| v |
| 1680W |
| 2.4m/s |
| G |
| gρ金 |
| ρ水 |
| ρ金 |
| G-F浮 |
| nF |
G(1-
| ||
| nF |
1800N(1-
| ||
| 3×700N |
| 1 |
| n |
| 1 |
| 8 |
| 1 |
| n |
| 1 |
| 3 |
| P |
| F′ |
| 1680W |
| 775N |
| 1 |
| n |
| 1 |
| 3 |
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