简单机械可分为几种?
六年级科学(简单机械)

Quiz
•
Science
•
6th Grade
•
Medium
Boon Poh Ching
Used 134+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5
6
7
8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
“斜面越长,斜面的倾斜度越小,就越省力。”
对
错
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
这种工具是以什么机械原理来操作?
螺旋
齿轮
轮轴
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下的工具都是以尖劈的原理操作,除了
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
动滑轮可以改变力的方向,也可以省力。
对
错
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水龙头是应用什么简单机械的原理操作?
螺旋
轮轴
齿轮
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
可以随着重物一起移动
-不能改变力的方向,
-但可以省力
以上的说明指的是哪一类的滑轮?
动滑轮
定滑轮
滑轮组
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