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一窺吸塵器

Authored by Jian-Wen Huang

Science

6th - 8th Grade

一窺吸塵器
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6 questions

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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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