小球由左邊斜面自由滑下,經水平面後爬上30°、40°、50°的A、B、C三斜面,接觸面光滑,三者的垂直高度為何?
國中自然3上ch2-1慣性定律

Flashcard
•
Physics
•
9th Grade
•
Hard
蕭惠宜 蕭惠宜
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8 questions
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1.
FLASHCARD QUESTION
Front
Back
三者等高
2.
FLASHCARD QUESTION
Front
火車天花板上懸吊的單擺,擺繩靜止於鉛直方向,火車的運動狀態?
Back
靜止或等速度運動
3.
FLASHCARD QUESTION
Front
公車突然開動時,站著的乘客身體傾斜方向?
Back
後方
4.
FLASHCARD QUESTION
Front
地球自轉,跳遠能力相同者向東與向西跳的成績如何?
Back
成績不受影響
5.
FLASHCARD QUESTION
Front
一物體若同時受到多力作用,合力為零,物體運動狀態?
Back
維持原狀態
6.
FLASHCARD QUESTION
Front
火車啟動時,擺錘往南擺高,火車開往?
Back
北方
7.
FLASHCARD QUESTION
Front
靜止物體的錯誤陳述
Back
物體必不受任何力的作用
8.
FLASHCARD QUESTION
Front
汽車等速行駛的正確敘述
Back
受外力作用,合力等於零
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