题型：实验探究题 题类：常考题 难易度：普通
拉力F/N | 5 | 10 | 15 | 20 | 25 |
伸长量x/cm | 1.6 | 3.2 | 4.7 | 6.4 | 8 |
请在如图所示坐标系中作出F﹣x图象．
弹簧受到的拉力/N | 0 | 1 | 2 | 3 | 4 |
甲弹簧的长度/cm | 6 | 7 | 8 | 9 | 10 |
乙弹簧的长度/cm | 6 | 8 | 10 | 12 | 14 |
钩码质量/g | 0 | 50 | 100 | 150 | 200 | 250 | 300 | 400 |
指针位置/cm | 2 | 3 | 4 | 5 | 6 | 7 | 7.5 | 7.5 |
|
所挂钩码的重/N |
1 |
2 |
3 |
4 |
5 |
6 |
|
A弹簧总长度/cm |
9.0 |
12.0 |
15.0 |
21.0 |
24.0 |
|
|
B弹簧总长度/cm |
7.5 |
9.0 |
10.5 |
12.0 |
13.5 |
15.0 |
试题篮
