实验次数 | 钩码重量G/N | 钩码上升高度h/m | 绳端拉力F/N | 绳端移动距离s/m | 机械效率η |
1 | 2 | 0.1 | 0.9 | 0.3 | 74.1% |
2 | 3 | 0.1 | 1.2 | 0.3 | 83.3% |
3 | 4 | 0.1 | 1.5 | 0.3 |
实验次数 | L1两端电压U1/V | L2两端电压U2/V | 串联总电压U总/V |
1 | 1.4 | 1.4 | 2.8 |
2 | 1.4 | 1.4 | 2.8 |
3 | 2.2 | 2.2 | 4.4 |