一窺吸塵器

Quiz
•
Science
•
6th - 8th Grade
•
Hard
Jian-Wen Huang
FREE Resource
6 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
請問,白努力定律怎麼來?
白努力來自水壓的靈感
白努力來自血壓的靈感
由牛頓定律衍伸出來
由莫非定律衍伸出來
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
請問,下列何者非白努力定律的應用?
海上的兩船行駛
蘋果從樹上掉下來
火車進站的列車等候黃線
飛機起飛
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
請問,為什麼等待火車時,要站在黃色等候線後?
火車進站時產生高壓,站在線內會被往外推
火車進站時速度快,產生低壓
火車進站時速度慢,產生高壓
火車進站時產生低壓,站在線內會被往內吸
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
請問,吸塵器是運用什麼定律?
白努力定律
牛頓定律
歐姆定律
莫非定律
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
請問,對於吸塵器要吸塵、集塵有哪些必要的構造?
馬達
扇葉
集塵袋
吸塵刷
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
請問,關於吸塵器運用吸塵器內外壓力差,造成能吸塵,下列何者正確?
吸塵器內部壓力 = 吸塵器外部壓力
吸塵器內部壓力 > 吸塵器外部壓力
吸塵器內部壓力無限大
吸塵器內部壓力 < 吸塵器外部壓力
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