支撑杠杆的转动中心是__。
六年级科学简单机械——杠杆
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六年级科学简单机械——杠杆
Quiz
•
Science
•
1st - 4th Grade
•
Medium
ANG Moe
Used 178+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
重点
支点
力点
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
重物负荷的位置是__。
重点
支点
力点
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪一种工具不属于杠杆原理的运用？
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使用哪一种杠杆工具时，通常比较费力？
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一种是第一类杠杆？
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一种是第二类杠杆？
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