在槓桿中,支點到施力點的距離稱為什麼?

簡單機械與槓桿原理

Quiz
•
Science
•
5th Grade
•
Hard
玩 玩
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
力臂
施力臂
抗力臂
支點臂
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
螺絲起子少了握把以後,操作起來需要比較大的力量,這是因為缺少了什麼?
支點
施力點
輪軸
抗力點
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在輪軸實驗器平衡時,輪和軸的半徑大小與砝碼重量有什麼關係?
無關
相等
成正比
成反比
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
剪刀是一種應用槓桿原理的工具,支點在哪裡?
中間
抗力點
支點
施力點
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪些工具可以達到省力的效果?
裁縫用的小剪刀和修剪樹枝用的園藝剪刀
剪刀和老虎鉗
鑷子和筷子
榨汁器和開瓶器
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
輪軸的應用中,為什麼施力在輪上會比較省力?
施力在軸
施力在輪
軸心
輪軸是一種槓桿的變形示意圖
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
在滑輪的應用中,哪些是施力在輪上的用具?
門把
削鉛筆機
扳手
方向盤
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