附圖是一個輪軸,軸半徑為10公分,輪半徑為50公分。若要使100公斤重的重物上升20公分,則要施力往下拉幾公分?
國中自然3上_3-4

Quiz
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Fun
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7th - 9th Grade
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Hard
Tang Da
Used 7+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
20
50
100
200
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如附圖所示,若將光滑斜面上的物體分別以F1、F2的力將物體等速提升,則此兩種狀態下的施力大小關係為何?
F1>F2
F1<F2
F1=F2
無法判斷
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如附圖所示,若要將40公斤重的重物由斜面底部推至頂端,則需要施多少公斤重的力?(不考慮摩擦力)
10
50
100
400
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如附圖所示,將甲、乙兩物體懸掛於一滑輪組而達靜力平衡,若滑輪及繩的重量皆可忽略不計,則甲、乙的重量關係為何?
甲>乙
甲<乙
甲=乙
無特定關係
9.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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