本题目来源于试卷: Physics Unit4: Force Dynamics & Newton's Laws，类别为 通用国际物理
[单选题]
An object of mass m sits on a flat table. The Earth pulls on t5m j y)-sm+yotvn qa:4r rl29bhi lhew* hzbv7iox9foxdqfkum88w6 1.2s+ 38des object with force mg, which wemixehw3 +xe8u27f8hbdz1o.q v6f s w*8 dokl9 will call the action force. What 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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