
8下6-2摩擦力
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
王嘉銘 老師
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有一種會平行接觸面,阻礙物體運動的力,稱為什麼力?
摩擦力
壓力
浮力
努力
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在一個物體上施了20gw的力,物體仍處在"靜止"狀態,則摩擦力為多少?
0gw
10gw
20gw
30gw
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在一個物體上施了20gw的力,物體處在"運動"狀態,則摩擦力為多少?
0gw
10gw
20gw
30gw
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
最大靜摩擦力與下列哪一個因素無關?
物體重量的大小
接觸面的性質
接觸面積
正向力大小
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一個不是增加摩擦力的例力?
滾輪
手紋
胎紋
鞋底紋路
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
最大靜摩擦力與接觸面的性質有關,則下列哪一個最大靜摩力會比較大?
光滑的平面
粗糙的平面
有水光滑平面
有水粗糙的平面
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列物質中,哪一個最大靜摩擦力會比較大?
10gw
20gw
30gw
40gw
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