
理化B5會考題B卷
Quiz
•
Physics, Chemistry
•
9th Grade
•
Practice Problem
•
Hard
chungtsen chen
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
當人不小心接觸高壓電而觸電時,旁人常會使用乾燥的木棒先行撥開接觸人體的電線,再搬運傷者。下列何者是使用乾燥木棒撥開電線的原因?〔97.基測Ⅱ〕
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
附圖為一物體朝固定方向做直線運動的速度(v)與時間(t)的關係圖,在下列四種運動中,何者速度(v)隨時間(t)的變化最可能以附圖表示?〔99.基測Ⅱ〕
汽車沿直線自靜止加速的過程
物體由靜止自由鉛直掉落的過程
機車沿直線運動,緊急煞車至靜止的過程
保齡球在無摩擦力的水平面上,沿直線滑動的過程
3.
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〕
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
元祐參加直線折返跑比賽,如圖是他比賽過程中速度與時間的關係圖,則在元祐比賽過程中,他跑步速度的方向總共改變幾次?〔94.基測Ⅰ〕
3
4
5
8
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
有一電路裝置如圖所示,按下開關 S 接通電流後,甲和乙兩鎢絲燈泡皆發光,經過一段時間,其中一個燈泡忽然熄滅,而安培計、伏特計仍有讀數。假設電源的電壓維持不變,安培計的內電阻很小,可以忽略不計,則下列何者可能是造成此現象的原因?〔97.基測Ⅱ〕
甲燈泡短路
乙燈泡短路
甲燈泡斷路
乙燈泡斷路
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
爸爸帶著兒子與女兒到公園玩蹺蹺板,三人所坐的位置如圖所示,爸爸、兒子、女兒的體重分別為 75 kgw、20 kgw、25 kgw。此時「爸爸的體重使蹺蹺板產生的力矩大小」大於「兒子與女兒的體重使蹺蹺板產生的力矩大小和」,蹺蹺板將倒向爸爸那一端,若他們希望減少兩邊力矩的差距,則下列調整位置的方式,哪一個可能達到他們的目的?〔106.會考〕
爸爸換到位置甲
兒子換到位置乙
女兒換到位置乙
兒子、女兒的位置互換
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如圖所示,將五個完全相同的木塊以細線連接,再以固定的水平力 F 拉動木塊,使五個木塊以相同速度在無摩擦力的水平桌面上作直線運動。剛開始五個木塊的加速度大小同為 2 m/s2,一段時間後,將某一位置的細線剪斷,已知剪斷後仍被相同的水平力 F 拉動的木塊其加速度變為 2.5 m/s2,若忽略細線質量,則剪斷細線的位置,應是圖上 P、Q、R、S 哪一個位置?〔104.會考〕
P
Q
R
S
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