配套习题- 流体流速与压强的关系 -【青果学院】

1/5单选题

难度：

1.

下列关于流体压强与流速的关系说法正确的是（　　）

A	气体压强的大小与流速无关
B	在气体中，流速大的地方压强大
C	在气体中，压强小的位置不一定流速大
D	在气体中，流速越大的位置压强越小

正确答案：RA==

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

2/5单选题

难度：

2.

下列事例中，不能用流体压强和流速关系解释的是（　　）

A	飞机机翼的截面形状上下不对称
B	两艘并列同向行驶的船会相撞
C	地铁、火车站的站台设置安全线
D	自来水笔吸墨水

正确答案：RA==

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

3/5单选题

难度：

3.

能够说明流体压强与流速的关系的现象是（　　）

A	高度越高，大气压强越小
B	当居室前后两面的窗子都打开时，“过堂风”会把居室侧面摆放的衣柜的门吹开
C	用吸管吸饮料时，饮料会上升到嘴里
D	塑料挂钩的吸盘贴在光滑的墙面上，能承受一定的拉力而不脱落

正确答案：Qg==

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

4/5单选题

难度：

4.

下述事例中，应用了“流体压强与流速的关系”知识的是（　　）

A	树上的苹果掉落地面
B	汽车刹车时，人向前倾
C	老鹰在空中滑翔
D	用手拍打桌面时手感觉疼

正确答案：Qw==

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

5/5单选题

难度：

5.

如图所示的四种飞行器，在飞行时利用流体压强与流速关系获得升力的是（　　）

A
B
C
D

正确答案：RA==

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