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期中綜合測驗

Authored by 勁男 李

Science

6th Grade

Used 2+ times

期中綜合測驗
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58 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

應用槓桿原理所設計的工具,都包含了支點、施力點和抗力點。

O
X

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

油壓千斤頂和油壓拖板車等機械,都是利用流體來傳送動力的。

O
X

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

吊車和起重機是應用定滑輪和動滑輪組合的工具,兼具省力與改變施力方向的功能。

O
X

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

機械式鐘錶是利用齒輪組,帶動秒針、分針和時針轉動來計時。

O
X

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

修正帶是利用槓桿原理中的滑輪來傳送動力,把修正帶輸出和收回。

O
X

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

有些運用槓桿原理的工具,使用時雖然不能省力,但可以使我們操作時更便利。

O
X

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

修正帶裡面有兩個齒輪互相咬合,一個輸出修正帶,一個將使用過的修正帶收回,兩個齒輪轉動方向相同。

O
X

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