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]
You are standing in a 8,wl z7dhirl*7v9njq mo8ku7 4cfk)khz ving bus, facing forward, and you suddenly fall forward as the bus comes to an immediate stop. What force caused youkkf 74zchu)8k to fall forward?
A. gravity
B. normal force due to your contact with the floor of the bus
C. force due to friction between you and the floor of the bus
D. There is not a force leading to your fall.
参考答案: D
本题详细解析:
暂无
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