利用图像法推导弹性势能表达式
이용도상법추도탄성세능표체식
Using graphic method to deduce the elastic potential energy expression
  • 万方数据
    高师理科学刊 고사이과학간
    JOURNAL OF SCIENCE OF TEACHERS＇ COLLEGE AND UNIVERSITY
    2015年 7期 36-38 ,共3页

    张旭%龚劲涛%李天芬

    장욱%공경도%리천분

    图像法%弹性势能%功能关系 圖像法%彈性勢能%功能關繫
    도상법%탄성세능%공능관계
    graphic method%elastic potential energy%the relationship between work and energy
    利用图像法，根据功能关系推导弹簧弹性势能表达式。得出在选择不同位置为势能零点时，弹性势能表达式不同，澄清学生对弹性势能大小及正负认识上的误区。
    이용도상법，근거공능관계추도탄황탄성세능표체식。득출재선택불동위치위세능영점시，탄성세능표체식불동，징청학생대탄성세능대소급정부인식상적오구。
    Through the graphic method,the formula of elastic potential energy of spring can be deduced based on the relationship between work and energy. It turns out that this formula changes as the zero point of potential energy changes. This can clarifies the students′ misconception about the magnitude and negative of elastic potential energy.
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