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钩码个数 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
弹簧长度/cm | 2.00 | 2.50 | 3.00 | 4.00 | 4.50 | 5.00 | 5.50 | 6.00 | 6.50 | 7.00 | |
弹簧的伸长/cm | 0 | 0.50 | 1.00 | 2.00 | 2.50 | 3.00 | 3.50 | 4.00 | 4.50 | 5.00 |
钩码个数 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
弹簧长度/cm | 2.00 | 2.50 | 3.00 | 3.50 | 4.00 | 4.50 | 5.00 | 5.50 | 6.00 | 6.50 | 7.00 |
弹簧的伸长/cm | 0 | 0.50 | 1.00 | 1.50 | 2.00 | 2.50 | 3.00 | 3.50 | 4.00 | 4.50 | 5.00 |
实验次数 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
长度L/cm | 15 | 20 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
形变量x/cm | 2 | 2 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
弹力F/N | 0.48 | 0.22 | 0.06 | 0.12 | 0.18 | 0.24 | 0.30 | 0.39 | 0.51 | 0.66 |
表一弹簧A | 表二弹簧B | 表三弹簧C | |||||||
实验序号 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
拉力(牛) | 1.0 | 2.0 | 3.0 | 1.0 | 2.0 | 3.0 | 0.8 | 1.6 | 2.4 |
弹簧的伸长量(厘米) | 2.0 | 4.0 | 6.0 | 1.0 | 2.0 | 3.0 | 1.0 | 2.0 | 3.0 |
钩码个数 | 0 | 2 | 4 | 6 | 8 | 10 |
弹簧长度/cm | 2.00 | 3.00 | 4.00 | 5.00 | 6.00 | 7.00 |
弹簧的伸长/cm | 0 | 1.00 | 2.00 | 3.00 | 5.00 |
实验次数 | 钩码重G/N | 弹簧长度L/cm | 弹簧的伸长量ΔL/cm |
1 | 0 | 6.0 | 0 |
2 | 0.5 | 7.0 | 1.0 |
3 | 1.0 | 8.0 | 2.0 |
4 | 1.5 | 9.0 | 3.0 |
5 | 2.0 | 10.0 | 4.0 |
6 | 2.5 | 11.0 | 5.0 |
弹簧受到的拉力 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
甲 | 弹簧的长度(cm) | 6.0 | 6.6 | 7.2 | 7.8 | 8.4 | 9.0 | 9.7 | 10.8 |
乙 | 6.0 | 7.0 | 8.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | |
丙 | 9.0 | 9.9 | 10.8 | 11.7 | 12.6 | 13.5 | 14.4 | 15.9 |
弹簧受到的拉力F/N | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
弹簧甲的伸长Δl/cm | 0 | 0.6 | 1.2 | 1.8 | 3.0 | 3.7 |
序号 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
弹簧受到的拉力/N | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
甲 | 弹簧的长度/cm | 6.0 | 6.6 | 7.2 | 7.8 | 8.4 | 9.0 | 9.7 | 10.8 |
乙 | 9.0 | 9.9 | 10.8 | 11.7 | 12.6 | 13.5 | 14.4 | 15.9 | |
丙 | 6.0 | 7.0 | 8.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 |
实验次数 | 螺母个数n/个 | 螺母总重G/N | 刻度尺读数L/mm |
1 | 0 | 0 | 0 |
2 | 1 | 0.05 | 5.0 |
3 | 2 | 0.10 | 11.0 |
4 | 3 | 0.15 | 20.0 |
5 | 4 | 0.20 | 30.0 |
6 | 5 | 0.25 | 45.0 |
7 | 6 | 0.30 | 60.0 |
8 | 7 | 0.35 | 75.0 |
9 | 8 | 0.40 | 90.0 |
10 | 9 | 0.45 | 110.0 |
11 | 10 | 0.50 | 133.0 |
12 | 11 | 0.55 | 158.0 |
实验次数 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
拉力(钩码总量)F/N | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
弹簧伸长量ΔL/cm | 0 | 0.40 | 0.80 | 1.70 | 1.60 | 2.00 | 2.40 |
试验次数 | 1 | 2 | 3 | 4 | 5 |
形变量x/cm | 0.6 | 1.2 | 1.8 | 2.1 | 2.4 |
拉力F/N | 1 | 2 | 3 | 4 |
实验次数 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
拉力(钩码总重)F/N | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
弹簧伸长量ΔL/cm | 0 | 0.40 | 0.80 | 1.20 | 2.10 | 2.00 | 2.40 |
试验次数 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
螺母个数n/个 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
螺母总重G/N | 0 | 0.05 | 0.10 | 0.15 | 0.20 | 0.25 | 0.30 | 0.35 | 0.40 | 0.45 | 0.50 | 0.55 |
刻度尺读数L/mm | 0 | 5.0 | 11.0 | 20.0 | 30.0 | 45.0 | 60.0 | 75.0 | 90.0 | 110.0 | 133.0 | 158.0 |
液体种类 | 酒精 | 盐水 | 水 |
测力计示数F/N | 2.3 | 2.6 | ? |
密度ρ/(g/cm3) | 0.8 | 1.1 | 1.0 |
实验次数 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
钩码的拉力/N | 0 | 0.5 | 1 | 1.5 | 2 | 2.5 | 3 |
弹簧的长度L/cm | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
弹簧伸长量ΔL/cm | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
dyczwuyn
2020-05-30
初中物理 | 八年级下 | 实验题