(2013?密云县二模)水平桌面上有甲、乙两个圆柱形容器盛有相同深度的液体,如图所示.甲、乙两容器的底

2025-05-02 16:58:59
推荐回答(1个)
回答1:

(1)∵

P
P
=
ρ1gh
ρ2gh
=
ρ1
ρ2
=
5
6

ρ1
ρ2
=
5
6

(2)根据压强公式得:
F1
F2
=
PS
PS
=
5
6
×
2
1
=
5
3

(3)根据阿基米德原理得:
FA
FB
=
ρ1gVA
ρ2gVB
=
5
9
×
3
2
=
5
6

(4)当A、B浸没在液体中,容器底受到的压强之比,
P
P
=
F
S
F
S
=
F
F
×
S
S
=
3
2
×
1
2
=
3
4

P
P
=
ρ1gh1
ρ2gh2
=
5
6
×
h1
h2
=
3
4

h1
h2
=
9
10

故选D.