
B5C2練習用
Quiz
•
Physics
•
9th Grade
•
Hard
chungtsen chen
Used 1+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
投擲標槍比賽時,運動員用力將標槍向前擲出,「在標槍離開運動員的手後,標槍仍能繼續飛行」。前述引號中有關標槍運動情況的敘述,下列何者正確?〔94.基測Ⅱ〕
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
假設甲、乙兩物體的質量比為 1:2,且使甲物體有 1 公尺/秒2 的加速度,需施 F 牛頓的力。若將兩物體綁在一起,使它們有 1 公尺/秒2 的加速度,則需施力多少?〔93.基測Ⅰ〕
0 .5F 牛頓
F 牛頓
2F 牛頓
3F 牛頓
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
地球與火星的質量比約為 10:1,若兩者間距離為 R 時,地球作用於火星的萬有引力大小為 F1,火星作用於地球的萬有引力大小為 F2,則 F1:F2 為下列何者?〔103.會考〕
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
甲、乙兩人的質量分別為 30 kg 及 70 kg,兩人坐在水平地面的滑板車上,同時互拉,如圖所示。假設滑板車的質量、滑板車與地面的摩擦力忽略不計,則甲與乙的加速度值之比,下列何者正確?〔92.基測Ⅰ〕
7:3
49:9
9:49
3:7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小明在遊樂園中搭乘輻射鞦韆,鞦韆繞著 O 點做平行地面的等速圓周運動,如附圖所示。則當鞦韆在 M 處時,鞦韆所受向心力的方向應為下列哪一個方向?〔99.基測Ⅰ〕
甲
乙
丙
丁
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如圖為一輛汽車在筆直公路上行駛時的速率(v)與時間(t)的關係圖。若汽車的質量為 2000 公斤(kg),則在 30 秒(s)至 50 秒(s)期間,汽車所受到的合力大小為下列何者?〔94.基測Ⅰ〕
0 N
1000 N
2000 N
3000 N
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
物體做直線運動,因它受到一個力 f 的作用,使其速率逐漸變慢。關於此運動中各物理量的敘述,下列何者正確?〔98.基測Ⅱ〕
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