槓桿中的「重點」,指的是甚麼?
小六 常識科 槓桿

Quiz
•
Physics
•
6th Grade
•
Medium
吳頌元NG YUEN
Used 30+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
槓桿轉動的中心
槓桿負荷的位置
槓桿施力的位置
槓桿最重的位置
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一句對槓桿的描述,是錯誤的?
金必定有支點
槓桿必定能省力
施力的位置叫力點
槓桿不需要靠電力運作
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
力點與支點的距離,稱為甚麼?
力臂
重臂
支臂
力距
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
圖中的裝置,B 表示甚麼?
力點
力臂
重點
重臂
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
圖中的裝置是否省力?
省力
費力
既不省力,又不費力
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
以下哪一類槓桿能夠省力?(選出所有答案)
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