
國三上理化Chap3_3 槓桿原理與靜力平衡 2024 1103
Authored by Sone Wang
Physics
9th Grade

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10 questions
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1.
DROPDOWN QUESTION
2 mins • 10 pts
如附圖所示,桂華施10牛頓的力以不同方向推門,若施力點皆距門軸0.5公尺,試回答下列問題:
(1)當他以甲方向推門時,門所受到的力矩大小為多少N‧m? (a)
2.
DROPDOWN QUESTION
2 mins • 10 pts
如附圖所示,桂華施10牛頓的力以不同方向推門,若施力點皆距門軸0.5公尺,試回答下列問題:
(2)當他以乙方向推門時,門所受到的力矩大小為多少N‧m? (a)
3.
DROPDOWN QUESTION
2 mins • 10 pts
如附圖所示,桂華施10牛頓的力以不同方向推門,若施力點皆距門軸0.5公尺,試回答下列問題:
(3)當他以丙方向推門時,門所受到的力矩大小為多少N‧m? (a)
4.
MULTIPLE SELECT QUESTION
2 mins • 10 pts
附圖為相同物體的四種受力情形,試回答下列問題:
(1)哪幾種受力情形,物體所受合力為零,但合力矩不為零?
甲
乙
丙
丁
5.
MULTIPLE SELECT QUESTION
2 mins • 10 pts
附圖為相同物體的四種受力情形,試回答下列問題:
(2)哪幾種受力情形,物體處於靜力平衡?
甲
乙
丙
丁
6.
DROPDOWN QUESTION
2 mins • 10 pts
如附圖所示,美琴自製了一個均質槓桿,槓桿上面每個刻度的間距長皆為5公分,砝碼質量皆為10公克。試根據此圖回答下列問題:
(1)在右邊4號位置已掛上了3個砝碼,若想要使槓桿平衡,則需在左邊6號位置掛上幾個砝碼? (a)
7.
DROPDOWN QUESTION
2 mins • 10 pts
如附圖所示,美琴自製了一個均質槓桿,槓桿上面每個刻度的間距長皆為5公分,砝碼質量皆為10公克。試根據此圖回答下列問題:
(2)若右邊6號位置已經掛上了1個砝碼,且美琴手上還剩下兩個砝碼,為了使槓桿平衡,他應該把這兩個砝碼都掛在左邊的哪個位置? (a)
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