实验次数 物理量 | 1 | 2 | 3 | 4 |
钩码重G物/N | 0.5 | 1.0 | 1.5 | 2.0 |
钩码上升高度h/m | 0.1 | 0.1 | 0.1 | 0.1 |
绳端拉力F/N | 0.3 | 0.5 | 0.7 | 0.9 |
绳段移动距离s/m | 0.3 | 0.3 | 0.3 | 0.3 |
机械效率η | 67% | 71% | 74% |