有關日常生活中一些現象的敘述,下列何者錯誤?
Pressure

Quiz
•
Physics
•
8th Grade
•
Medium

CHEN HSI CHUAN
Used 15+ times
FREE Resource
26 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
在沙灘上的腳印越深,代表對沙灘的施力越大
在相同大小的施力下,吸管削尖的一端較易穿過飲料包裝
鋒利的刀子比鈍的刀子易切開物體,這是因為鋒利的刀子接觸物體的面積較小
走在舖有木板的泥地上,較不易陷入泥地中
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
在水中加入一些冰塊,如附圖所示,則下列相關的敘述何者正確
因冰塊皆未接觸杯底,故加入冰塊並不會增加杯底所受的壓力
加入冰塊後水面會上升,杯底所受的壓力會增加
在冰塊逐漸熔化的過程中,杯底所受的壓力會逐漸增加
在冰塊逐漸熔化的過程中,杯底所受的壓力會逐漸減少
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
吸管通常一端削尖,可以產生什麼作用?
較大作用力
較大受力面積
較大的壓力
較小的破洞
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
取一硬塑膠板(重量忽略不計),用手緊密的按在一只開口的玻璃圓筒下端,一同壓入水內,如附圖所示,使塑膠板距水面20公分,然後鬆手,發現塑膠板未落下,今在玻璃圓筒上部倒入密度為5/8(g/cm3)的某液體,當此液體高度為多少公分時,可發現硬塑膠板落下?
20
24
28
32
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某漁船停在河上捕魚,發現垂直於河面下15公尺處的船底部有一個4平方公分的破洞進水,則至少須施力多少公斤重才可將破洞堵住?(河水密度為1g/cm3)
6
12
15
60
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如附圖所示,有一蓄水塔在高20m的臺地上,且塔高12m。若將此水塔中的水輸送到平地的住家中,則水塔中的水可送達幾樓高?(每層樓高3公尺)
9
10
11
12
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一個內部裝滿水的梯型密封玻璃瓶,如圖(甲),將它反過來倒放形成圖(乙),A、B兩點為液面底部,C、D兩點為桌面,則關於各點壓力的大小關係,下列何者正確?
A>B,C>D
A=B,C=D
A=B,C<D
A>B,C=D
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