问题描述：
英语翻译
determine how to distribute an addition mass of 6 g at the three vertices of the plate to move the balance point of the plate to (2,2).[Hint:Let w1,w2,and w3 denote the masses added at the three vertices,so that w1+w2+w3=6]原题目见图,这是第二小问~/>
determine how to distribute an addition mass of 6 g at the three vertices of the plate to move the balance point of the plate to (2,2).[Hint:Let w1,w2,and w3 denote the masses added at the three vertices,so that w1+w2+w3=6]原题目见图,这是第二小问~/>
问题解答：
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