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本刊1991第6期发表的《对“静止的定义和分类”一文的看法》一文中,作者认为“处于静止状态的质点则一定是受力平衡”,“处于静止状态的质点,是同时满足动力学条件ΣF=0,和运动学条件υ=0的。反之,凡是不满足这两条件的质点其所处的状态都不能视为静止的”。笔者对此有不同看法,笔者认为最根本的应明确对静止的本质特征的认识,其他问题就迎刃而解。为了讨论方便,把物体视为“质点”。
In the article “Views on the Definition and Classification of Stillness” published in the 6th issue of the journal in 1991, the author believes that “a particle in a static state must be balanced by forces” and “a particle in a static state is simultaneously satisfied. Kinetic conditions ΣF=0, and kinematic conditions υ=0. Conversely, any particle that does not satisfy these two conditions cannot be regarded as stationary.” The author has different views on this issue. The author believes that the most fundamental should be clear understanding of the essential characteristics of stillness, and other problems will be easily solved. For the sake of discussion, consider objects as “mass.”