
八下自然6-3(1)固體壓力
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
葉 進坤
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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列何者是不是壓力單位?
公斤重∕平方公尺
公克重∕平方公分
百帕
kgw
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
甲、乙、丙分別為邊長1 cm、2 cm、3 cm的正立方體金屬塊,如附圖所示,則以下列哪一種方式排列,對地面所造成的壓力最大?
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
如附圖,棒球選手手持球棒站在體重計上,兩腳鞋底接觸體重計之總面積為200cm ,此時體重計上的讀數為80kgw。如果他抬起左腳做打擊預備動作,則體重計的讀數變化將為何?
變大
不變
變小
不一定
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
加孟去撒哈拉沙漠旅遊,一不小心兩腳陷入流沙中,當他一隻腳拔起時,另一隻腳就越陷越深,試問造成此現象的主要原因為何?
接觸面積減少,壓力減少
接觸面積減少,壓力增加
重量增加,壓力減少
重量減少,壓力增加
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如附圖所示,鉛筆的兩端A、B分別用左右手食指相向頂住,頂住後鉛筆為靜止狀態,則下列敘述何者正確?
兩手食指所受到的力量B>A
兩手食指的凹陷程度相同
兩手食指所受到的壓力A>B
兩手食指所受到的壓力B>A
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
圖釘之釘帽很大,如此設計的主要目的是什麼?
減少手指所受的總力
減少手指所受的壓力
增加釘帽所受的壓力
增加手指所受的壓力
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將吸管一端削尖、另一端維持平滑,請問哪一端較容易插入飲料包裝中?
平滑端
削尖端
兩端相同
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