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【Daily Question】Theoretical Foundation 2020.02.22

2020-02-22View Original

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Multiple-choice question: A homogeneous rod AB has a length of l and a mass of m; its center of mass is at C. Point D is located at a distance of 1/4l from point A (see figure). The moment of inertia of the rod pair about the axis y passing through point D and perpendicular to AB is ( ). Answer: A Hint: An additional reward will be given to those who can explain the solution process; the answer can be seen there!

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