
2-4預習圓周運動與萬有引力
Interactive Video
•
Physics
•
9th Grade
•
Hard
國坤 陳
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什麼是圓周運動的關鍵力量?
重力
浮力
摩擦力
向心力
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
牛頓的思想實驗中,什麼條件下砲彈會繞地球運行?
砲彈速度足夠快
砲彈質量足夠大
砲彈角度足夠高
砲彈材料足夠硬
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
萬有引力的強度取決於什麼因素?
物體的質量和距離
物體的溫度和濕度
物體的速度和方向
物體的顏色和形狀
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
為什麼我們感覺不到手機的引力?
因為手機的引力被抵消
因為地球的引力太強
因為手機太小
因為手機沒有質量
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
地球的萬有引力如何影響月球的運動?
使月球遠離地球
使月球繞地球運行
使月球靜止不動
使月球自轉加快
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