This paper finds the solution of the cycle of simple pendulum by making use of the dynamic characteristics of simple pendulum. The method is simple and comvenient and widely used.

• 求解单摆周期是高中物理一种重要的题型,其物理情景的多种变化,导致单摆周期的多种结果,使学生觉得无从着手,感到难度很大。本文运用单摆的动力学特征求解单摆的周期,方法简便,应用广泛。