实验次数 | 钩码所受的重力G/N | 提升高度h/m | 拉力F/N | 绳自由端移动的距离s/m | 机械效率η |
1 | 2.0 | 0.1 | 1.0 | 0.3 | 66.7% |
2 | 4.0 | 0.1 | 1.8 | 0.3 | 74.1% |
3 | 6.0 | 0.1 | 2.5 | 0.3 | |
4 | 2.0 | 0.1 | 1.0 | 0.2 | 66.7% |