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Measuring the period of simple pendulum using force sensor

ZHOU Yong, LI Geng-lei, ZHENG Xiao-ping(College of Physical Science and Technology, Central China Normal University, Wuhan 430079, China)  
The period of the horizontal component of the strain in the thread of simple pendulum is in accord with the vibration period of the simple pendulum itself, so we can use the horizontal strain component TH to calculate the period of the simple pendulum with stable, high precision. The method is easy and convenient for middle school students.
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