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六年级科学(简单机械)

Authored by Boon Poh Ching

Science

6th Grade

Used 134+ times

六年级科学(简单机械)
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

简单机械可分为几种?

5

6

7

8

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

“斜面越长,斜面的倾斜度越小,就越省力。”

3.

MULTIPLE CHOICE QUESTION

30 sec • 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

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下的工具都是以尖劈的原理操作,除了

Media Image
Media Image
Media Image
Media Image

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

动滑轮可以改变力的方向,也可以省力。

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

水龙头是应用什么简单机械的原理操作?

螺旋

轮轴

齿轮

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

可以随着重物一起移动

-不能改变力的方向,

-但可以省力​

​以上的说明指的是哪一类的滑轮?

动滑轮

定滑轮

滑轮组

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