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胡克滚轮 GOGO滚轮 科技小制作DIY发明 木制玩具拼装科学实验教具

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    ¥7.2
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    ¥5.4
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  • 3 box
  • Exchage Rate 1 CNY ≈ 0.1419 USD
  • Weight 0.05 kg/box
  • Item No. C110
  • color
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    C110 Hook Roller(C110胡克滚轮) ¥0.0 4697 box available
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  • Description

 

本款产品有课件

品名:胡克滚轮 

货号:C110

包装:包装袋

尺寸:135*100*100 mm

胡克定律是由 英国力学家胡克(Robert Hooke, 1635-1703) 于1678年发现的,胡克提出该定律的过程颇有趣味,他于1676年发表了一句 拉丁语字谜,谜面是: 。两年后他公布了谜底是: ,意思是“力如伸长(那样变化)”,这正是胡克定律的中心内容。实际上早于他1500年前,东汉的经学家和教育家 郑玄(公元127-200)为《 考工记·马人》一文的“量其力,有三钧”一句作注解中写到:“假设弓力胜三石,引之中三尺,驰其弦,以绳缓擐之,每加物一石,则张一尺。”,正确地提示了力与形变成正比的关系,而郑玄的发现要比胡克要早一千五百年。因此有物理学家认为胡克定律应称之为“郑玄-胡克定律”。

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Update time:20220424180917


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