本题目来源于试卷: Fluid Mechanics，类别为 美国物理杯赛(Physics Bowl)
[单选题]
06.30: A copper block is c h5:(u22a.)liaf eda0ks yz gjonnected to a string7l: yb j /x(jbb na-j)0nnbqr2 and submerged in a container of water.
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Position 1: The copper is completely submerged, but just under the surface of the water.
Position 2: The copper is completely submerged, mid-way between the water surface and the bottom of the container.
Position 3: The copper is completely submerged, but just above the bottom surface of the container. Assume that the water is incompressible. What is the ranking of the buoyant forces (B) acting on the copper blocks for these positions, from least to greater?
A. B1 < B2 < B3
B. B3 < B2 < B1
C. . B1 = B2 = B3
D. B1 < B2 = B3
E. B3 < B1 = B2
参考答案: C
本题详细解析:
暂无
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