实验次数 | 1 | 2 | 3 | 4 | 5 | 6 |
钩码重G/N | 4 | 4 | 6 | 10 | 15 | 20 |
钩码上升高度h/m | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
绳端拉力F/N | 1.8 | 1.6 | 2.4 | 3.7 | 5.6 | 7.6 |
绳端移动的距离s/m | 0.3 | 0.4 | 0.3 | 0.3 | 0.3 | |
机械效率η | 74.1% | 62.5% | 90.9% | 89.3% | 87.7% |