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 b-.vx8y ie- lq 5n,ubza1 wgw.i 5;f49j9 amk lk2nssnw moving bus, facing forward, and you suddenly fall forward as the bus comes to 5;4wmsli9fka2jn1n w9 .gkwsan immediate stop. What force caused you 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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