
滑轮齿轮
Authored by YEW Moe
Science
4th Grade
Used 147+ times

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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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