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简单机械(Quizizz 1)

Authored by FUNG MAN KUAN

Science

5th Grade

Used 43+ times

简单机械(Quizizz 1)
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25 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

简单机械可分为几种?

5

6

7

8

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

以下哪个是第一类杠杆?

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3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

下图那个是第三类杠杆?

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Media Image

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

以下哪一种工具属于第二类杠杆?

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5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

“斜面越长,斜面的倾斜度越小,就越省力。”

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

这种工具是以什么机械原理来操作?

螺旋

齿轮

轮轴

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

以下的工具都是以尖劈的原理操作,除了

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Media Image
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