According to the discussion what forces belong to action-at-a-distance forces? [Clink on
选择题,
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According to the discussion, what forces belong to action-at-a-distance forces? [Clink on 3 answers. ]
A.Gravitational forces.
B.Magnetic forces.
C.Frictional forces.
D.Electric forces.
E.Tensional forces.
此题为多项选择题。请帮忙给出正确答案和分析,谢谢!
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正确答案:ABD
本题仍为细节多选题。题目问:根据讨论,什么属于远距离作用力(action-at—a—distanceforces)?通过教授的讲述可知,gravitationalforces,magneticforces和electricforces属于这个范畴,所以选A、B、D。
