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滑轮齿轮

Authored by YEW Moe

Science

4th Grade

Used 147+ times

滑轮齿轮
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

由两个或以上,边缘有整齐齿状的轮组成的简单机械是

滑轮

齿轮

杠杆

螺旋

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

是一个有凹槽的轮子,边缘绕绳子或链条的简单机械。

滑轮

齿轮

杠杆

螺旋

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下是滑轮的种类,除了

定滑轮

动滑轮

静滑轮

滑轮组

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

由链条连在一起的齿轮,转动的方向

相同

相反

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

咬合在一起的齿轮,转动的方向

相同

相反

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

当30齿大齿轮转动一圈时,它所带动的5齿小齿轮会转动多少圈?

4

5

6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下物品都应用了齿轮的简单机械,除了

手表

修正带

旗杆

自行车

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