國中自然3上ch1-1位置、路徑長與位移
Flashcard
•
Physics
•
9th Grade
•
Practice Problem
•
Hard
HI skrmail@chsc.tw
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8 questions
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1.
FLASHCARD QUESTION
Front
下列關於位移和路徑長的區別敘述,何者正確?
Back
位移具方向性,路徑長則無
2.
FLASHCARD QUESTION
Front
一物體在直線上運動,如圖,由甲向右到乙,再由乙折返移動到丙,則此期間之路徑長及位移分別為多少cm?
Back
28 cm、-4 cm
3.
FLASHCARD QUESTION
Front
二等兵作基本訓練,見一樹在其右方,當班長連續下達「向右轉、向後轉」後,此兵見樹在其何處?
Back
後方
4.
FLASHCARD QUESTION
Front
小明用手指向一棟白色的大樓向小華說:「看到前面那棟白色大樓嗎?」。這時小明把什麼當作參考點?
Back
小明自己
5.
FLASHCARD QUESTION
Front
已知A、B、C三點的座標和原點間的關係如圖所示,若以北方為正,單位為公里,則下列敘述何者正確?
Back
A點在C點的北方3公里處
6.
FLASHCARD QUESTION
Front
在一直線上,以O為原點,O點的右邊以正數表示,左邊以負數表示,現在有一隻小蟲由直線上-4cm的位置向右爬行10cm,試問小蟲到達的位置在哪裡?
Back
+6cm
7.
FLASHCARD QUESTION
Front
下列哪一物理量,同時表示物體位置移動的大小及移動的方向?
Back
位移
8.
FLASHCARD QUESTION
Front
在什麼情況下,位移大小與路徑長相等?
Back
物體沿直線運動且沒有折返時
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