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五年级 第十课 机械

Authored by Lim PL

Science

5th Grade

Used 2+ times

五年级 第十课 机械
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26 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪一项不是杠杆原理的工具?

Media Image
Media Image
Media Image
Media Image

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

使用哪一种杠杆工具时,通常比较费力?

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Media Image
Media Image
Media Image

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

筷子应用了哪种简单的机械原理?

滾子

斜面

滑轮

杠杆

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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第一类杠杆

支点位于重点与力点之间

重点位于支点与力点之间

力点位于重点与支点之间

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

第二类杠杆

支点位于重点与力点之间

重点位于支点与力点之间

力点位于重点与支点之间

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

这是一个门把,请问它应用了哪个简单机械原理?

杠杆

轮轴

尖劈

滑轮

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Media Image

钓鱼竿应用了哪些简单机械原理?(答案超过一个)

杠杆

齿轮

轮轴

斜面

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