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重力小车万有引力车科学实验器材科技小制作手工diy科教木制小车

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  • Weight 0.2 kg/piece
  • Item No. 重力小车
  • Stock num 5000 piece
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  • Description

                  重力车课程课件

   重力车的特征是通过周期性地改变重心而达到依靠自身重力驱动行驶的车,需要解决的技术问题是如何使改变重心的力更小些以及如何在力相同的情况下运动更远的距离。

实验目的:1. 利用重物下落带动轮子转动原理搭建小车  

              2.让学生简单了解能量守恒定律

实验报告:

         重物下落拉动轮子转动,那么架子最上端的是什么呢?它叫定滑轮,那么有什么作用            呢? 是可以改变力的方向的,同学们想象一下,重物受重力影响向下运动产生向下的            动能,利用绳子和定滑轮来改变了力的方向让另一端变成向上运动,绳子拉动轴上缠绕          的绳子让轮子转动,达到行驶的目的。

         那么是什么让小车行驶的更快更远呢?IMG_1342

配件图

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Update time:20230318110154


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