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6下自然1-1

Authored by Anonymous Anonymous

Geography

6th Grade

Used 1+ times

6下自然1-1
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50 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

抬起物體時,只要選擇應用了槓桿原理的方法,就一定可以省力。

O
X

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

桿秤是透過調整施力臂的長度來判斷物重的工具。

O
X

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

就算兩個人的體重不同,只要坐在適當的位置,也有可能使翹翹板平衡。

O
X

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

雖然開瓶器是費力的槓桿工具,但是具有方便打開飲料瓶蓋的優點。

O
X

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

所有槓桿工具的支點都在中央。

O
X

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

支點在施力點和抗力點之間的槓桿一定屬於省力的工具。

O
X

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

想要利用槓桿抬起物體,如果施的力量比物體的重量還大時,代表這種槓桿設計是費力的。

O
X

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