长度L | 拉力F伸长x横截面S | 250 N | 500 N | 750 N | 1000 N |
1 m | 0.05 cm2 | 0.04 cm | 0.08 cm | 0.12 cm | 0.16 cm |
2 m | 0.05 cm2 | 0.08 cm | 0.16 cm | 0.24 cm | 0.32 cm |
3 m | 0.05 cm2 | 0.12 cm | 0.24 cm | 0.36 cm | 0.46 cm |
4 m | 0.10 cm2 | 0.08 cm | 0.16 cm | 0.22 cm | 0.32 cm |
4 m | 0.20 cm2 | 0.04 cm | 0.08 cm | 0.12 cm | 0.16 cm |
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A. | B. | C. | D. |
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