
國三上理化Chap1_4 加速度與等加速度運動 2024 1031
Quiz
•
Physics
•
8th Grade
•
Practice Problem
•
Hard
Sone Wang
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下列哪一個物理量只具有大小,不具有方向?
加速度
速度
速率
位移
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
在物體的x-t圖中,圖形的傾斜度代表此運動物體的何種物理量?
位移
速度
加速度
沒有特別的意義
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
某物體沿直線運動,若加速度為零,則其速度應如何?
漸增
漸減
保持不變
資料不足,無法判斷
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
關於加速度的敘述,下列何者錯誤?
加速度大小和速度的變化量有關
加速度的公制單位為m/s
車子加速的過程需有與行進方向同向的加速度
車子煞車的過程需有與行進方向反向的加速度
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
關於加速度的敘述,下列何者正確?
有大小,但不具方向性
有大小,且具有方向性
無大小,但具有方向性
無大小,也不具方向性
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下列哪一種運動因運動方向不斷改變,故不可能為等加速度運動?
繞圓形操場跑步
直線運動
蘋果自樹上自由掉落
物體自斜面上滑下
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下列哪個圖形不是等加速度運動的示意圖?
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