弹力/N | 0 | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 |
弹簧总长度/cm | 6.0 | 7.2 | 8.4 | 9.6 | 10.8 | 12.0 |
弹簧伸长量/cm | 0 | 1.2 | ____ | ____ | ____ | ____ |