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 |
4 |
0.1 |
2.7 |
0.2 |
74% |
2 |
4 |
0.1 |
1.8 |
0.3 |
74% |
3 |
8 |
0.1 |
3.1 |
0.3 |
86% |
4 |
8 |
0.1 |
2.5 |
|
|