实验次数 |
斜面的倾斜程度 |
物块重G/N |
斜面高度h/m |
拉力F/N |
斜面长度s/m |
机械效率 |
1 |
较缓 |
10 |
0.2 |
5.5 |
1 |
36.4% |
2 |
较陡 |
10 |
0.4 |
7.0 |
1 |
57.1% |
3 |
最陡 |
10 |
0.6 |
8.5 |
1 |
70.6% |