摘要
用极限的方法 ,导出了弹簧在重力场中处于平衡状态下的伸长量计算式 ,并对其进行了实例验证 .
The suspending of a spring for the gravity of the earth causes the related elongation of the spring and the calculation formula of the spring elongation by its dead weight is discussed, derived and tested in this paper.
