次数 |
钩码总重G/N |
钩码上升的高度h/m |
绳端的拉力F/N |
绳端移动距离s/m |
机械效率η |
1 |
4 |
0.1 |
1.8 |
0.3 |
74% |
2 |
6 |
0.1 |
2.4 |
0.3 |
83% |
3 |
4 |
0.1 |
1.4 |
0.5 |
57% |
4 |
4 |
0.2 |
1.4 |
1.0 |
57% |