配套习题- 物体的浮沉条件 -【青果学院】

1/5单选题

难度：

1.如图所示，把三个完全相同的实心铝球分别投入三个盛有水，盐水，水银的容器内，则平衡后所受浮力最大的铝球应该是（　　）

A	在水中的铝球
B	在盐水中的铝球
C	在水银中的铝球
D	无法判断

正确答案：Qw==

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

2/5单选题

难度：

2.一空心铁球漂浮在盐水中，当向盐水中倒人一点清水后，空心铁球在盐水中将（　　）

A	上浮一点
B	保持原位置
C	下沉一点
D	无法判断

正确答案：Qw==

4oi156m65b+D6ZOB55CD5ryC5rWuPGJyPuKItEY8c3ViPua1rjwvc3ViPj3PgTxzdWI+55uQ5rC0PC9zdWI+djxzdWI+5o6SPC9zdWI+Zz1HPGJyPuW9k+WKoOa4heawtOaXtu+8jM+BPHN1Yj7nm5DmsLQ8L3N1Yj7lj5jlsI/vvIzkvYbov5jmmK/mvILmta7vvIzlj5fmta7lipvkuI3lj5g8YnI+4oi0djxzdWI+5o6SPC9zdWI+5Y+Y5aSn77yM5Y2z5LiL5rKJ5LiA54K5PGJyPuaVhemAiUPvvI4=

3/5单选题

难度：

3.A、B两个同样的实心铁球，A沉于水底，B浮于水银液面上，则两球受到浮力的F_A、F_B的大小关系为（　　）

A	F_A＞F_B
B	F_A＜F_B
C	F_A=F_B
D	不能确定

正确答案：Qg==

4oi1QeOAgULkuKTkuKrlkIzmoLfnmoTlrp7lv4Ppk4HnkIPvvIw8YnI+4oi0RzxzdWI+QTwvc3ViPj1HPHN1Yj5CPC9zdWI+77yMPGJyPuKItUHmsonkuo7msLTlupXvvIw8YnI+4oi0RjxzdWI+QTwvc3ViPu+8nEc8c3ViPkE8L3N1Yj7vvIw8YnI+4oi1Qua8gua1ruWcqOawtOmTtua2sumdouS4iu+8jDxicj7iiLRGPHN1Yj5CPC9zdWI+PUc8c3ViPkI8L3N1Yj7vvIw8YnI+4oi0RjxzdWI+QTwvc3ViPu+8nEY8c3ViPkI8L3N1Yj7vvI48YnI+5pWF6YCJQu+8jg==

4/5单选题

难度：

4.将质量相等的铁块和木块放入水中，待静止后，木块浮在水面上，铁块沉入水底，就此现象，下列分析正确的是（　　）

A	木块受到浮力，铁块不受浮力
B	木块受到的浮力小于铁块受到的浮力
C	木块浮在水面上，所受浮力大于自身的重力
D	铁块沉入水底，所受浮力小于自身的重力

正确答案：RA==

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

5/5单选题

难度：

5.在研究物体浮沉条件实验中，将鸡蛋放入装有水的玻璃杯中后下沉入水底．为了使鸡蛋上浮，可采用的措施是向杯中加入适量的（　　）

A	热水
B	酒精
C	食盐
D	冰水

正确答案：Qw==

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