八下自然6-2(2)液體壓力
Authored by 葉 進坤
Science
8th Grade
Used 11+ times
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19 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某容器裝水如圖所示，請問容器器壁所受到靜止的水壓力以何點為最大？
d
c
b
a
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
水壓機大小活塞半徑比為 3：1，對小活塞施力 30 kgw，大活塞可舉起多少 kgw？
270 kgw
90 kgw
30 kgw
ㄆ 10 kgw
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一桶子內裝密度 0.8g/cm3 的酒精，深 150cm，在酒精液面下 120cm 處，有一面積為 3cm2 的小洞，欲用力擋住以免酒精流出，至少須用力多少 gw ？
360
288
96
72
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列連通管中，當液體靜止時何者之液面高度最為合理？
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列關於A點壓力的敘述，何者正確？
向上壓力大於向下壓力
向上壓力小於向下壓力
向上壓力等於向下壓力
向左壓力小於向右壓力
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
水壩在越靠近底部的地方越厚，其原因為何？
美觀大方的外型設計
深度越淺，液壓越大
深度越深，液壓越大
以上皆非
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
一容器底面積為5 cm2，內裝有密度為2 g/cm3的液體，其深度為10 cm，則容器底部所受液體壓力為多少gw/cm2？
10
20
50
100
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