COMPARISON OF DIFFERENT METHODS OF MEASURING RIGID BODY INERTIA BY THE FALLING BODY LAW
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Graphical Abstract
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Abstract
This paper calculates the inertia of a disc by angularacceleration law and time law, respectively with the data ofJIJG-I's rigid body inertia experimental apparatus, and it isindicated that the angular acceleration law gives better resultsthan the time law by 1 to 2 orders of magnitude in precision.The main factors of the timelaw and the angular acceleration law are pointed out.
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