
6-1代課自然
Authored by 劉老師皇杉 劉老師皇杉
Physics
KG - 5th Grade
Used 1+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
槓桿實驗中,在支點左邊第6格處掛2個等重的砝碼,在支點右邊第3格處掛4個等重的砝碼,請問槓桿會呈現什麼狀態?
往右傾斜
往左傾斜
兩邊平衡
左右不停搖擺
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一種物品是抗力點在施力點和支點之間的槓桿工具?
榨汁器
剪刀
掃把
麵包夾
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
力力想買一把剪刀來修剪花木,他應該買哪一種,使用起來比較省力?
把手較短的剪刀
把手較長的剪刀
把手較粗的剪刀
把手和刀刃一樣長的剪刀
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在簡易翹翹板實驗中,如果抗力點不變,當施力點距離支點越近,要達到平衡所需的施力如何?
越大
越小
施力不變
施力為零
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一種應用槓桿原理的工具,無法達到省力的目的?
動滑輪
榨汁器
開瓶器
鑷子
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
利用定滑輪裝置將100公斤重的物品向上抬起時,至少需要施力多少公斤重,才能拉動物品?
200公斤重
100公斤重
50公斤重
10公斤重
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一種裝置主要的施力方式與槓桿原理無關?
起重機
尖嘴鉗
美工刀
旋轉式水龍頭
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