11001補考

Quiz
•
Science
•
9th Grade
•
Hard

Naijun Wang
Used 2+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小明做單擺實驗,則單擺每擺動一次,擺錘所走的路徑是?
A→O→B
A→O→B→O
A→B→A→B
A→O→B→O→A
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某人沿一直線街道以等速步行到郵局去寄信,再以原來的速率步行返回原處。如果往郵局的方向為正,則能近似描寫其運動情況的速度(v)-時間(t)關係圖為何?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將打點計時器的頻率固定,以不同的速度拉動甲、乙、丙、丁紙帶,四段紙帶的長度都相同,請問下列敘述何者正確?
紙帶甲的加速度大於乙
紙帶乙的平均速度大於甲
紙帶丙的加速度大於零
紙帶丁的速度愈來愈慢
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
甲物的質量為3公斤,施力使其產生1公尺/秒2的加速度,若施相同大小的力作用於質量為2公斤的乙物時,則乙物產生的加速度為多少公尺/秒2?
3
2
1.5
1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在鏈球比賽中,選手站在圖(二)中之O點,以逆時鐘方向快速旋轉拋擲鏈球,如圖(一)所示。則他在鏈球到達圖(二)中哪一個位置放開鏈球,才能讓鏈球飛得遠,又落在有效區域內?
甲
乙
丙
丁
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如附圖所示,F1和F2大小相等,同時作用於木棒上的同一點,下列敘述何者正確?
F1產生的力矩等於d2F1
F1和F2產生的力矩大小相等
F1和F2產生的力矩方向相反
F1產生力矩小於F2產生的力矩
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如附圖所示,將100 gw的懸吊砝碼,掛在均勻木尺上,木尺重為60 gw,欲使木尺維持水平平衡,彈簧秤的讀數為多少公克重?
60
75
100
160
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