[单选题]
An object of mass m sits on a flat table. Thf 6 qv/v(3 lssbh zvq,;)q,wrce Earth pulls on tp76iez5 u3 umq:af0pihis object with force mg, which we will call the action force. Whau au3i f6pz5:ei70pqmt is the reaction force?
A. The table pushing up on the object with force mg.
B. The object pushing down on the table with force mg.
C. The table pushing down on the floor with force mg.
D. The object pulling upward on the Earth with force mg.
参考答案: D
本题详细解析:
暂无
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