简单机械可分为几种？
六年级科学-简单机械
Quiz
•
Science
•
1st - 6th Grade
•
Medium
ASZ Moe
Used 85+ times
FREE Resource
50 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5
6
7
8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项不是简单机械？
杠杆
磁力
斜面
尖劈
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上述的工具应用了什么简单机械来操作？
斜面
尖劈
滑轮
齿轮
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个是第二类杠杆？
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下图那个是第三类杠杆？
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中的杠杆施力如何？
省力
费力
不省力，也不费力
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一种工具属于第二类杠杆？
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