本题目来源于试卷: 美国2021年物理杯赛真题 PHYSICS BOWL 2021，类别为 美国物理杯赛(Physics Bowl)
[单选题]
A uniform wooden block is a rectangular prism with dimensions of 10 cm x 6 cm x 2 cm. The blockwill be placed on a level table in one of three possible orientations with a side parallel to thetabletop. Let $P_L$ equal the largest possible pressure the block can exert on the table and $P_S $ equal the smallest possible pressure the block can exert on the table. What is the ratio $\frac{P_L}{P_S} $?
A. 5/3
B. 3
C. 5
D. 9
E. 25
参考答案: C
本题详细解析:
Smallest area = $12 cm^2$ ; Largest area = $60 cm^2$ ; $p=\frac{A}{F}$
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