齿轮
Authored by g-24068341@moe-dl.edu.my Lay Beng
Science
6th Grade
Used 55+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什么是齿轮？
边缘有整齐齿状的轮子
中间有槽，能够绕轴转动的轮子
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
齿轮有何功用？
能够传递动力
能改变物体移动的方向
能加快或减慢物体移动的速度
能让物体移动，上升或下降
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
当齿轮咬合时 ，两个齿轮转动的方向是（ ）
相同
不同
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
根据上图,大齿轮特动一圈，,被帶动的小齿轮会转动（ ）
2圈
1圈
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
两个齿轮的大小不同,转动的圈数也（ ）
不同
相同
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
当齿轮以链条连接 ，两个齿轮转动的方向是（ ）
相同
不同
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
根据上图，齿轮转动的方向是（ ）
相同
不同
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