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簡單機械是非題01

Authored by 勁男 李

Science

6th Grade

Used 1+ times

簡單機械是非題01
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50 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

輪軸的原理和槓桿相似,也有支點、施力點和抗力點。

O
X

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

從槓桿的操作實驗可知,如果抗力及抗力點不變,則施力點距離支點愈遠,施力會愈小。

O
X

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

使用槓桿時,若抗力臂和抗力固定,則施力點距離支點愈遠會愈省力。

O
X

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

汽車方向盤是一種輪軸的應用。

O
X

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

所有應用槓桿原理的工具都具有省力的效果。

O
X

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

榨汁器是一種槓桿的應用。

O
X

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

玩翹翹板時,坐比較靠近中間的人一定會處在較高處。

O
X

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