
B5C2_力與運動A卷
Authored by chungtsen chen
Physics
9th Grade
Used 8+ times

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40 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
在失重狀態的外太空中,可以用什麼方法測量出物體的質量?
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
一物體受數個力作用而產生加速度運動,則下列何者正確?
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列敘述何者正確?
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
質量 M 的大人和質量 m 的小孩站立於無摩擦力的地面上互推,則互推的瞬間兩人後退之加速度比為何?
M:m
m:M
1:1
M:m+1
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
質量為 2 公斤的木塊,靜止在光滑水平面上,今受一水平力作用 4 秒,直線加速到 8 公尺/秒;若不計任何阻力的影響,則此作用力的大小為何?
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
甲體重為 60 公斤重、乙體重為 40 公斤重,兩人在無摩擦的冰面上同時互推;若甲受到 40 公斤重的合力,乙所受之合力大小為多少?
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
有一輛質量為 4 公噸的砂石車,以 30m/s 的速度行駛,當它緊急煞車,5 秒後砂石車停下,其速度(v)-時間(t)的關係如圖,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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