一道试题的“全军覆没”告诉我们俞花（浙江省东阳市六石镇中，３２２１０４）在一次物理竞赛中，参加竞赛的１５０多名图１学生，在解一道物理题中，几乎“全军覆没”．这种情况，出乎意料．原题是这样的：如图１示，小车上装水的密闭玻璃容器中有一气泡，当小车突然向右... The “wrecking” of a test question tells us that Yu Hua (1606104, Liushi Town, Dongyang City, Zhejiang Province, China) has competed in a physics contest with more than 150 students in Figure 1, and in solving a physics question, it was almost “full.” Army annihilation." This situation is unexpected. The original question is this: As shown in Figure 1, a small glass car filled with water in a closed glass container, when the car suddenly to the right ...