6下自然單元2-1~2-3

6下自然單元2-1~2-3

6th - 8th Grade

100 Qs

quiz-placeholder

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6下自然單元2-1~2-3

6下自然單元2-1~2-3

Assessment

Quiz

Education

6th - 8th Grade

Practice Problem

Medium

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吳俊德 吳俊德

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100 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

使用槓桿實驗器,當抗力臂和施力臂長度相同時,想讓槓桿實驗器保持平衡,施力和抗力要相等。

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

動滑輪的滑輪位置會隨著繩子上、下移動。

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

運用槓桿原理抬重物時,當抗力及抗力點不變,施力點離支點愈遠,愈省力。

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

玩翹翹板時,體重較重的人永遠都無法處在比較高的位置。

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

槓桿包含三個力點,支點一定位於另外兩個力點的中間。

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

洗手時可以省力的轉開水龍頭,是運用輪軸原理。

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

一個大人和一個小孩玩翹翹板,兩人絕對沒辦法讓翹翹板取得平衡。

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