The principle of measuring minute impulse and the design of impact pendulum are introduced, including its physical principle, configuration, performance and working performance.
介绍了测量微小冲量的原理及冲击摆的组成，包括冲击摆的物理原理，冲击摆装置的结构、性能和工作原理；
By calculated the period of physical pendulum detailedly, the conclusion is educed that the reconcilable pendulum is only a special physical pendulum.
通过对物理摆周期的计算，得出可倒摆为物理摆的特例。
The Parallel axis theorem of rigid body is verified with physical pendulum.
利用复摆验证了刚体的平行轴定理。
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