DIY杠杆原理投篮器小制作 灌篮高手投篮器科技小实验
儿童 |
爱物理 / 作者:冲击夯
/ 时间:2020-02-13 /52℃
![](https://www.qysgf.com/imagesrc-s/jpg/201507-23-BB2076813B3F87711838D6842CEF3DD5-th.jpg)
原理:在力的作用下如果能绕着一固定点转动的硬棒就叫杠杆。在生活中根据需要,杠杆可以做成直的,也可以做成弯的,但必须是坚硬的棒。杠杆是一种简单机械,一根结实的棍子,就能当作一根杠杆了。例如跷跷板、剪刀、扳子、撬棒等,都是杠杆。 下面哦们一起动手试试吧!
![](https://www.qysgf.com/imagesrc-s/jpg/201507-23-E43A713EA47392623698B9B76EA3EDDB-th.jpg)
1.准备材料:雪糕棍、圆木棒、打好孔的木方、塑料瓶盖、乒乓球、木片、密封圈、502胶水、白乳胶、双面胶
![](https://www.qysgf.com/imagesrc-s/jpg/201507-23-55B06BC3C551670988CEFBF5-th.jpg)
2.如图安装支架
![](https://www.qysgf.com/imagesrc-s/jpg/201507-23-55B06BC6C551670988CEFBF6-th.jpg)
3.如图安装支架
![](https://www.qysgf.com/imagesrc-s/jpg/201507-23-55B06BC8C551670988CEFBF7-th.jpg)
4.安装密封圈
![](https://www.qysgf.com/imagesrc-s/jpg/201507-23-55B06BCBC551670988CEFBF8-th.jpg)
5.安装圆木棒
![](https://www.qysgf.com/imagesrc-s/jpg/201507-23-55B06BCDC551670988CEFBF9-th.jpg)
6.粘底座雪糕棍
![](https://www.qysgf.com/imagesrc-s/jpg/201507-23-55B06BCEC551670988CEFBFA-th.jpg)
7.如图把瓶盖粘在雪糕棍上面
![](https://www.qysgf.com/imagesrc-s/jpg/201507-23-55B06BCFC551670988CEFBFB-th.jpg)
8.如图把粘好瓶盖的雪糕棍粘到支架上
![](https://www.qysgf.com/imagesrc-s/jpg/201507-23-55B06BD0C551670988CEFBFC-th.jpg)
9.把中间打孔的木方粘到木片上面
![](https://www.qysgf.com/imagesrc-s/jpg/201507-23-55B06BD1C551670988CEFBFD-th.jpg)
10.用记号笔在木片的中心位置画一个方形做为篮筐
![](https://www.qysgf.com/imagesrc-s/jpg/201507-23-55B06BD3C551670988CEFBFE-th.jpg)
11.安装篮筐
![](https://www.qysgf.com/imagesrc-s/jpg/201507-23-55B06BD4C551670988CEFBFF-th.jpg)
12.把乒乓球放在瓶盖上面
![](https://www.qysgf.com/imagesrc-s/jpg/201507-23-55B06BD5C551670988CEFC00-th.jpg)
13.OK啦!大功告成啦!快试试能不能把乒乓球投到篮筐上哦!
![](https://www.qysgf.com/imagesrc-s/jpg/201507-23-55B06BD6C551670988CEFC01-th.jpg)