弹簧测力计的钩上分别挂了几个物体,弹簧测力计的读数为10N时,这

弹簧测力计的钩上分别挂了几个物体,弹簧测力计的读数为10N时,这个物体可能是(    )
A.一袋方便面B.一根大头钉C.一张课桌D.一只鸡

答案

D解析:
p;【解析】略

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