
3-4簡單機械3
Authored by 夏志鍊 夏
Physics
9th Grade
Used 5+ times

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10 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
想要利用輪軸來省力拉動物體,
應該將力施在
輪上
軸上
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
半徑比為 = 4 : 1的輪軸
當施力10公斤重在輪上時,
最大可以提起多重的物體
40公斤重
20公斤重
10公斤重
5公斤重
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
半徑比為 2 : 1的輪軸
當施力10公斤重在軸上時,
最大可以提起多重的物體
40公斤重
20公斤重
10公斤重
5公斤重
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
某機械能以原本物重1/3的力將物體拉起
則以此機械施力6公尺
物體將上升
6公尺
18公尺
2公尺
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
半徑比為 5 : 1 的輪軸
施力在輪上時,下拉100公分
物體上升
500公分
100公分
20公分
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
A機械可以省力1/2
B機械可以省力1/3
以A、B分別將物體抬升1公尺
請問作功的比
2:3
3:2
1:1
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
斜面的高度為3公尺
斜面的長度為5公尺
推動10公斤重物體上斜面
最少需要多大的力
10公斤重
6公斤重
8公斤重
15公斤重
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