
Science2-3_test
Quiz
•
Science
•
1st - 5th Grade
•
Practice Problem
•
Hard
陳耀民 老師
FREE Resource
Enhance your content in a minute
52 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在「輪軸實驗」中,當輪的半徑是 45 公分,軸的半徑是 20 公分時,下列哪一個敘述正確?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某樂園計畫組裝全臺最大的摩天輪,下列關於摩天輪機械原理,何者錯誤?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
進行「輪軸實驗」時,若施力於軸上,下列敘述哪一個正確?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
利用輪軸為工具,施力在輪上時,則輪半徑就是
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一種是槓桿的變形?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
使用有握把的螺絲起子能夠達到省力的效果,當螺絲起子的大圓輪轉一圈時,中間的小圓輪轉了幾圈?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
關於使用輪軸工具,下列哪一個敘述是「施力於軸上」的特性?
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