
八下自然6-1
Authored by 白 皮
Science
8th Grade
Used 5+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列何者不是超距力?
萬有引力
風力
磁力
靜電力
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在彈簧的底端掛上石頭會使彈簧伸長,此現象是受何種力的作用所導致?
支撐力
靜電力
磁力
地球引力
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
物體所受的重力稱為物體的何種量值?
重量
引力
質量
密度
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
兩力之合力為10 kgw,則此兩力可能為下列哪些力的合力?甲.3 kgw、7 kgw;乙.6 kgw、2 kgw;丙.4 kgw、6 kgw;丁.20 kgw、5 kgw。
甲乙丙
甲乙丁
丙丁
甲丙
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
有一顆氣球重量為2 gw,今受空氣向上的浮力5 gw而垂直向上飄,此時氣球所受的合力為何?
7 gw向上
3 gw向下
5 gw向上
3gw向上
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一般使用彈簧秤測量物體的重量或力的大小,是依據彈簧的哪一項性質?
運動速度的大小
密度的大小
形變量的大小
運動方向的改變
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一彈簧在彈性限度內受外力40 gw作用時,長度伸長0.2 cm,則受30 gw的外力作用時,彈簧伸長多少cm?
0.1
0.6
0.3
0.15
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