
111-1國三自然二段康軒習作練習
Quiz
•
Physics
•
9th Grade
•
Hard
唐碩振 唐碩振
Used 4+ times
FREE Resource
52 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小軒正在學游泳,剛學會漂浮後,教練要小軒以腳蹬牆,讓身體往前漂,在水中前進,使小軒能前進的是下列哪一種力的作用?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一塊大石頭重20公斤重,如果阿康用15公斤重的力往上抬,石頭仍然不動,則下列敘述何者錯誤?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
甲、乙兩船漂浮於水面,甲船上的人以繩子繫住乙船,並且用力拉乙船,則下列敘述何者正確?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
沛沛在遊樂場中搭乘旋轉秋千,秋千繞著O點做平行地面的等速率圓周運動,如附圖所示。請問當秋千在M處時,其所受到的向心力方向應為下列何者?
甲
乙
丙
丁
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
附圖為一顆行星以橢圓形軌道繞著太陽運行,當行星在甲、乙、丙三個位置時,與太陽的距離分別為R甲、R乙、R丙,此時兩者之間的萬有引力大小分別為F甲、F乙、F丙。若運行的過程中,太陽與行星的質量變化忽略不計,且R甲>R乙>R丙,則下列關係何者正確?
F甲<F乙<F丙
F甲=F乙=F丙
F甲>F乙>F丙
F甲=F丙≠F乙
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知木星上的重力加速度大約是地球的2.5倍,下列敘述何者正確?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
逆時鐘旋轉淋溼的雨傘,當轉速加快到某一程度時,甲點的水滴會沿著雨傘邊緣的哪個方向飛離?
a
b
c
d
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