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机械

Authored by LIEW Moe

Science

2nd - 4th Grade

Used 1K+ times

机械
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17 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 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

1 min • 1 pt

支撑杠杆的转动中心是__。

重点

支点

力点

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

重物負荷的位置是__。

重点

支点

力点

4.

MULTIPLE CHOICE QUESTION

1 min • 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

1 min • 1 pt

使用哪一種杠杆工具時,通常是「費力」的?

利用斜口钳子剪铁线

用开瓶器打開瓶盖

用裁紙刀裁紙

用镊子夾棉花

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

以下哪项不是简单机械

杠杆

斜面

螺旋

磁力

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

请选出以下工具所应用的简单机械原理。(答案超过一个)

螺旋

尖劈

杠杆

滑轮

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