
2~3 牛頓第三運動定律
Authored by CHEN HSI CHUAN
Physics
9th Grade
Used 1+ times

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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
瑋瑋推著娃娃車,她施予娃娃車的作用力和娃娃車給他的反作用力,兩力大小相同,卻無法互相抵銷,其主要原因與作用力和反作用力的何種性質有關?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
甲、乙兩人分別坐在滑板上,各握繩的一端,如附圖所示,設滑板與水平地面間無摩擦力,當乙用力拉甲時,下列敘述何者正確?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
火箭能向前推進是由於
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關作用力與反作用力的敘述,下列何者錯誤?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有一等速運動的物體,其質量為500公斤。現受一與其方向相反的外力作用,經5秒後,該物靜止。若已知此力為2000牛頓,則物體未受此力前之速度大小為多少公尺/秒?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
發射後的火箭在空中等速度上升,此時火箭受地球引力的反作用力是下列何者?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
質量比2:1的甲、乙兩人在絕對光滑的平面上互推,甲用力20 kgw推乙,乙用力10 kgw推甲,則:
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