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简单机械

Authored by KO SW

Science

1st - 10th Grade

Used 1+ times

简单机械
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40 questions

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1.

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

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

杠杆上施力的位置是__。

支点

重点

力点

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

支撑杠杆的转动中心是__。

重点

支点

力点

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

哪一种工具不属于於杠杆原理的应用?

剪刀

镊子

面包夾

温度计

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪项不是简单机械

杠杆

斜面

螺旋

磁力

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下都是杠杆的用途,除了

省力

方便

工作有效率

切割物体

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

图中显示一种应用杠杆原理的工具。

P、Q和R分别代表杠杆中的哪些位置?

P :重点,Q: 支点,R: 力点

P :力点,Q: 重点,R: 支点

P :支点,Q: 力点,R: 重点

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