
1130201SC-mid-03
Quiz
•
Science
•
1st - 5th Grade
•
Practice Problem
•
Medium
陳俊明 陳俊明
Used 4+ times
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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使用槓桿原理設計的工具時,若物體的重量不變,只要抗力臂比施力臂長,就一定能省力。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
汽車方向盤是輪軸的應用,方向盤直徑越大,操作起來越省力。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
操作輪軸工具時,如果輪半徑是10公分,軸半徑是5公分,則輪轉一圈,軸會轉兩圈。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使用滑輪時,滑輪位置會隨著要搬運的物品一起移動的,稱為動滑輪。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
羅賓站在三樓,利用動滑輪將放在一樓的行李搬運到三樓,羅賓只要施行李重量一半的力,就能拉動行李。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
盛悅利用操作槓桿實驗器來學習槓桿原理,了解砝碼數量和放置位置的關係,他的實驗結果如下圖, 如果盛悅手中還有一個砝碼,請問他要將砝碼放在右邊何處,可以使實驗器達平衡狀態?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
裝置如圖,實驗操作時,同組同學說他們還有其他的方式可達平衡,下列哪一位同學擺放的方式無法平衡?
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