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孙尽林
Wen Yuan (Middle School Edition) 2021 No.06
河北省蔚县西合营中学 河北 蔚县 075700
滚动、滑动、静摩擦是摩擦力的三种类型,在这之中,用滚动摩擦力代替滑动摩擦力可以使摩擦减少。判断是不是存在摩擦力是学生学习这一教学内容的难点,教学的难点是怎样确定不能看见的摩擦力及其方向。
初中物理;情景教学;优点
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Language: 中文
CN:11-9275/G
ISSN:2096-627X
Publication Frequency: 月刊
An academic processing and support platform focusing on journal databases, submission and review, and pre-typesetting.