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简单机械

Authored by YangLuang Ng

Science

1st - 6th Grade

Used 2+ times

简单机械
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

“楼梯” 应用了哪项简单机械的原理?

杠杆

尖劈

斜面

螺旋

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

“灯泡” 应用了哪项简单机械的原理?

斜面

螺旋

杠杆

尖劈

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

“剪刀” 应用了哪项简单机械的原理?

杠杆

尖劈

螺旋

斜面

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

“螺旋和螺母” 应用了哪项简单机械的原理?

尖劈

杠杆

螺旋

斜面

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

“锯子” 应用了哪项简单机械的原理?

螺旋

斜面

尖劈

杠杆

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

“核桃夹” 应用了哪项简单机械的原理?

尖劈

第一类杠杆

第二类杠杆

第三类杠杆

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

哪种工具的操作原理与 “扫把” 相同?

Media Image
Media Image
Media Image
Media Image

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