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兩物塊質量為mA=2kg,mB=3kg

Aug 19th 2014, 20:55

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兩物塊質量為mA=2kg,mB=3kg。它們互相接觸而在無摩擦的水平面上滑動。有30N的力作用於B。求：(a)加速度？(b)A對B的作用力？...

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