
國三理化(上) ch.2
Authored by suncloud teacher01
Physics
9th Grade
Used 2+ times

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35 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
如圖,在完全光滑的平面上,將甲、乙兩物體各放在彈簧的一端,用力壓縮彈簧後釋放,1 秒後甲物的速度為 2 m/s,乙物的速度為 5 m/s,已知乙物的質量為 20 公斤,則甲物的質量為多少公斤?
4
20
25
50。
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
以固定頻率的打點計時器記錄小車在水平面上向右所做的直線運動,如圖所示。下列有關此實驗的敘述何者正確?〔92.基測Ⅱ〕
小車運動速率漸增
小車所受合力為零
紙帶上相鄰兩點距離愈大,其時間間隔愈長
紙帶上相鄰兩點距離愈小,小車運動速率愈大。
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
甲、乙、丙三物體的質量分別為 M甲、M乙、M丙,三物體分別在光滑水平面上受大小不同但方向相同的各種水平力 F 作用,其受力 F 與加速度 a 之間的關係如附圖所示。此三物體質量比 M甲:M乙:M丙應為下列何者?〔99.基測Ⅱ〕
01:03:06
03:02:01
06:02:01
06:03:01
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
甲、乙兩船漂浮於水面,甲船上的人以繩繫住乙船並用力拉之,則下列何者正確?
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
有一個木塊原本靜止在一光滑水平面上。已知木塊的重量為 1 kgw,當在水平方向對木塊持續施一力 F,如圖所示,則下列敘述何者正確?〔96.基測Ⅱ〕
若 F=0.5 kgw,則木塊維持靜止
若 F=0.5 kgw,則木塊將作等速度運動
若 F=1 kgw,則木塊將作等加速度運動
若 F=1.5 kgw,則木塊將作等速度運動。
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
如圖,一部汽車在圓形道路上等速率行進,則汽車所受合力的方向為哪一個?
A
B
C
D。
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
有一輛質量為 2 公噸的砂石車,以 30 m/s 的速度行駛,當它緊急煞車,5 秒後砂石車停下,其速度-時間關係圖(v-t 圖)如圖,則砂石車在煞車期間所受的阻力大小為多少牛頓?
6000 牛頓
12000 牛頓
15000 牛頓
24000 牛頓。
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