力的平衡之效應,種類,單位,測量
Quiz
•
Science
•
1st - 6th Grade
•
Hard
江郁星 江郁星
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11 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
任何一力必須具備哪三種要素?
大小、方向、空間
方向、作用點、時間
大小、方向、作用點
大小、空間、作用點
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
有關「力」的敘述,下列何者錯誤?
當物體受力的作用時,必同時產生形變及運動狀態的改變
力具有大小及方向性
通常我們以一帶有箭頭的線段表示「力」
kgw是常用的力的單位
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
下列有關力的敘述,何者最為完整?
受2.5公斤重的力
受力2.5
受力2.5公斤
受向北2.5公斤重的拉力
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
下列何者不屬於力的單位?
公斤
公克重
牛頓
公斤重
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
地震造成地表裂開和隆起的現象,是地表受到哪種力的效應所致?
僅形狀或大小改變
僅運動狀態改變
形狀、大小或運動狀態都改變
僅形狀改變
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
自然界中,有些力是不需與物體互相接觸即有作用,下列何種力不屬於此類?
摩擦力
靜電力
地球引力
磁力
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
在地球掛上120公克重的砝碼,可使彈簧伸長 6 公分,則使彈簧維持 1公分伸長量所需的砝碼質量為何幾克?
10
20
60
120
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