國3上 3-4 簡單機械
Authored by SHER LEE
Science
9th Grade
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38 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
斜面
省力費時
費力省時
只有改變作用力方向
*
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
升旗桿(定滑輪)
省力費時
費力省時
只有改變作用力方向
*
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
喇叭鎖
省力費時
費力省時
只有改變作用力方向
*
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
掃帚
省力費時
費力省時
只有改變作用力方向
*
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
䦕瓶器
省力費時
費力省時
只有改變作用力方向
*
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
螺旋
省力費時
費力省時
只有改變作用力方向
*
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
方向盤
省力費時
費力省時
只有改變作用力方向
*
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