做研究影响摆球运动周期的因素实验现有器材等地摆球周期为多少

2025-04-07 02:46:35
推荐回答(1个)
回答1:

研究影响摆球摆动周期的因素:
实验器材:细线,质量为10克和3克的小球各一个,铁架台一套,夹子,刻度尺,计时器。
实验目的:研究摆的周期是否与摆球的质量,摆的长度,摆动的幅度(幅角)有关。
实验中记录的数据:
实验次数
摆线长度
(米)
摆球质量
(克)
摆的幅度
连续摆动10次的时间
(秒)
摆动周期
(秒)
1
0.15
3
5度
7.9
0.7
2
0.15
10
5度
7.9
0.7
3
0.15
3
10度
7.9
0.7
4
0.10
3
5度
5.7
0.4
5
0.10
10
10度
5.7
0.4
1.
分析比较前两次实验,可初步得出结论:当摆线长度和摆线幅度相同时,摆动周期与摆球质量无关。
2.
分析第一次和第三次实验,可初步得出结论:当摆长和摆球质量相同时,摆动周期与摆幅无关。
3.
第一次和第四次实验是保持摆球质量和摆动幅度不变,研究摆动周期与摆线长度的关系,得出结论:摆球摆动周期与摆线长度有关,摆线越长,摆球摆动周期越长

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