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发明名称
一种摩擦力的大小及方向探究演示仪
摘要
本发明涉及一种摩擦力的大小及方向探究演示仪,其特征在于:该探究演示仪包括滑块和长木板;所述滑块由底座和顶座构成;所述底座上设有指针触动器、刻度和滚轮;所述顶座上设有指针和拉环;所述底座和顶座通过弹簧连接在一起。本发明不仅可以直接探究摩擦力的大小,还可以直观演示摩擦力的方向。
申请公布号
CN104282202A
申请公布日期
2015.01.14
申请号
CN201310293193.X
申请日期
2013.07.14
申请人
师海满
发明人
师海满;师月
分类号
G09B23/10(2006.01)I
主分类号
G09B23/10(2006.01)I
代理机构
代理人
主权项
一种摩擦力的大小及方向探究演示仪,其特征在于:该探究演示仪包括滑块和长木板(3);所述滑块由底座(1)和顶座(2)构成;所述底座(1)上设有指针触动器(4)、刻度(5)和滚轮(6);所述顶座(2)上设有指针(7)和拉环(8)。
地址
735211 甘肃省酒泉市玉门市第三中学
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