弹性势能零点选择及易出现的误区分析

Elastic potential energy zero chosen and the error prone analysis

推导了当势能零点任意选取时弹性势能的一般表达式,并给出了在选择不同弹性势能的零点时,势能值的计算方法.在此基础上通过特例对常出现错误的原因进行了深入分析.

Deduced potential energy elastic potential energy zero arbitrarily select a time the general expression,given the choice of different elastic potential energy of zero,the potential energy value was calculated.On the basis of an error by a special case because of the often carried out in-depth analysis.