[解題] 國三理化-磨擦力
1.年級:國三
2.科目:理化
3.章節:力
版本、章節數、主題
4.題目:手握住一隻筆,若力氣越大,則磨擦力會?越大、越小、不變
不同章節或主題之題目請份篇發表
5.想法:答案是不變,想請問 (1)應該如何解釋?
另外一問,(2)越大力握,會越難抽出這支筆? 這是因為甚麼呢?
感謝
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09/12 20:28, , 1F
09/12 20:28, 1F
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09/12 20:28, , 2F
09/12 20:28, 2F
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09/12 20:30, , 3F
09/12 20:30, 3F
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09/12 20:58, , 4F
09/12 20:58, 4F
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09/12 23:07, , 5F
09/12 23:07, 5F
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09/13 12:48, , 6F
09/13 12:48, 6F
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09/13 12:49, , 7F
09/13 12:49, 7F
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09/13 13:02, , 8F
09/13 13:02, 8F
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09/13 21:15, , 9F
09/13 21:15, 9F
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09/13 21:16, , 10F
09/13 21:16, 10F
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09/13 21:16, , 11F
09/13 21:16, 11F
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