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Research of connecting objects experiment based on Atwood machine

CHEN Jia,LI Qing,LI Chun-mi(Physics Department,Beijing Normal University,Beijing 100875,China )  
Based on the relative research about connecting objects with Atwood machine,the relation of the experimental error of acceleration and the masses is given,and the accelation is amended. The best conditions of the experiment of pulley connecting objects have been found. The results can be generalized to obtain best conditions of all connecting objects experiment in college.
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