本题目来源于试卷: Physics Unit10: Fluids Related Topics，类别为 通用国际物理
[单选题]
Certain insects, such as the water bug, are sgmo.jvg/wgf le a;jd3wi.*iu) cho0h9;l7 g7uffici/ 2ms2 4ezbvjuce9p:yently lightweight that they can run on top of water without breaking the surface tension. This is possible because the water, due to surface tension, exerts an upward force on the bottom of the bug's feet. pe2s /vjy: ezcum9b24 Suppose that the maximum possible upward force on the feet of water bug A is F. Now suppose that water bug B is twice as big as bug A in every dimension. That is, bug B is twice as long, twice as wide, etc. What is the maximum upward force on the feet of bug B?
A. $1.4 \; F$
B. $2.0 \; F$
C. $4.0 \; F$
D. $8.0 \; F$
参考答案: C
本题详细解析:
暂无
| 
