机械
Quiz
•
Science
•
2nd - 4th Grade
•
Hard
LIEW Moe
Used 1K+ times
FREE Resource
17 questions
Show all answers
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
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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