6-4浮力小考
Authored by 蔡 佳蓁
Science
8th Grade
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
物體進入液體中，會受到一個向什麼方向的力?
上
下
左
右
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
浮力的來源是?
摩擦力
物體在液體中所受的上下壓力差
物體在液體中所受的左右壓力差
物體受到的萬有引力
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
浮力=?
深度x液體密度
液面下體積x物體密度
物體所排開液體的重量
物體體積x物體密度
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
一木塊投入水中，浮在水面上，有關此木塊的敘述何者正確?
為一沉體
液面下的體積為木塊全部體積
所受浮力=木塊重量
木塊密度>水
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
同質量的鐵塊和保麗龍塊，一同投入水中，鐵塊沉、保麗龍塊浮。請問誰受的浮力比較大?
鐵塊
保麗龍塊
一樣大
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
同體積的磚塊和保麗龍塊一同投入水中，磚塊沉、保麗龍塊浮，請問誰受的浮力比較大?
磚塊
保麗龍塊
一樣大
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
同體積的鐵塊和磚塊一同投入水中，鐵塊密度比磚塊大，兩者都沉，請問誰受的浮力比較大?
鐵塊
磚塊
一樣大
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