請問蹺蹺板的支點在哪裡?
簡易機械

Quiz
•
Science
•
1st - 5th Grade
•
Medium
Yuri Chang
Used 2+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
2.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
老師的橡皮擦需要與30個積木才能維持平衡。
請問老師的橡皮擦有多重?
30
15g
30g
3kg
3.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
什麼是槓桿原理?
一種簡單機械裝置
一種電子裝置
一種化學原理
一種物理現象
4.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
在槓桿中,哪一端施加力?
支點
抗力點
施力點
重力點
5.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
是誰發明了投石器?
阿基姆得
阿基米得
阿姆斯特朗
達文西
6.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
投石器的是省力工具嗎?
是
7.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
使用槓桿時,若抗力臂和抗力固定,則施力點距離支點愈遠會愈省力。
是
否
不一定
我不知道
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