筷子应用了哪种简单的机械原理?
简单机械

Quiz
•
Science
•
6th Grade
•
Medium
Quan MY
Used 149+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
滾子
斜面
滑轮
杠杆
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
杠杆上施力的位置是__。
支点
重点
力点
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
支撑杠杆的转动中心是__。
重点
支点
力点
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
重物负荷的位置是__。
重点
支点
力点
5.
MULTIPLE CHOICE QUESTION
30 sec • 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
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使用哪一种杠杆工具时,通常是「费力」的?
利用斜口钳子剪铁线
用开瓶器打开瓶盖
用裁纸刀裁纸
用镊子夹棉花
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
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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