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 moving bus, facing forward, +efiio/ so-n4and you suddenly fallzi6qskb (nvqkx8+ 4xp-y r (z. forward as the bus comes to an kzxsbv.q 68+( q -k(zirynpx4immediate 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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