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六年级科学简单机械2

Authored by ANG Moe

Science

1st - 5th Grade

Used 90+ times

六年级科学简单机械2
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪种斜面最省力?

Media Image
Media Image
Media Image
Media Image

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

图中显示应用了尖劈的原理的工具。尖劈的用途是什么?

利用力来劈开或切割物体

改变施力的方向

改变物体移动的速度

把两个物体嵌合在一起

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

瓶口和瓶盖应用什么简单机械地原理?

齿轮

螺旋

斜面

轮轴

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

什么是螺旋?

由斜面所组成,一端较厚

能减少抬起重物的负担

有重点、支点和力点

将斜面缠绕在圆柱体上

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

以上的简单机械的名称是?

轮轴

螺旋

斜面

杠杆

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

以上简单机械的名称是?

滑轮

杠杆

轮轴

斜面

7.

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

齿轮

杠杆

轮轴

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