壓力與浮力

Quiz
•
Physics
•
8th - 9th Grade
•
Medium

CHEN HSI CHUAN
Used 17+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
三個半徑相同的圓形水壺,如附圖。每個水壺最大盛水量之間的關係,下列何者正確?
甲<乙<丙
甲>乙>丙
甲=乙<丙
甲=乙>丙
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
下列有關壓力的敘述,何者錯誤?
走在有鋪木板的泥地上,較不易陷入泥地中
釘子的尖端易釘入物體內,是因為釘子的尖端接觸物體的面積較小
在沙灘上看見腳印愈深的,表示留下腳印的人體重愈重
在相同的作用力下,吸管削尖的一端較易穿透飲料包裝
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
用吸管喝果汁,使果汁上升的原理為何?
連通管原理
帕司卡原理
大氣壓力
毛細現象
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
在4樓高的樓頂有一裝滿水的水塔。今分別在1樓、2樓、3樓將相同大小的水龍頭完全打開,則何處水龍頭的水較強?
1樓
2樓
3樓
無法比較
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
如附圖,棒球隊的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200 cm2,此時體重計上的讀數為80 kgw。如果他抬起左腳做打擊,則體重計的讀數變化將為何?
變大
不變
變小
不一定
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
如附圖,甲、乙、丙三容器底面積及重量都相等,分別倒入相同量的水,則底部桌面受壓力大小順序為何?
甲>丙>乙
乙>甲>丙
甲=乙=丙
乙>丙>甲
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
如附圖所示,圖釘的釘帽很大,其目的是:
減少手指所受的總力
增加手指所受的壓力
增加釘帽所受的壓力
減少手指所受的壓力
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