南一五下Ch4力與運動-1力的測量
Quiz
•
Physics
•
5th Grade
•
Practice Problem
•
Medium
Alien Chiu
Used 15+ times
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21 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
下列哪些是受到重力的影響?
輪船可以漂浮在海面
水往低處流
蘋果掉在牛頓的頭上
溜滑梯可以向下滑
樹葉往上飄
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
用彈簧測量力的大小時,每次測量完彈簧長度後,都必須取下重物,檢查彈簧是否可以恢復到原來的長度。
O
X
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
將彈簧從彈簧秤取下後測量,彈簧原長5公分,懸掛1公克重的砝碼時,彈簧長度會變成7公分,懸掛2公克重的砝碼時,彈簧長度會變成9公分。如果沒有超過彈性限度,懸掛3公克重的砝碼時,彈簧會有什麼變化?
彈簧長度會變成6公分
彈簧長度會變成11公分
彈簧伸長量6公分
彈簧伸長量13公分
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
彈簧受力時,一定要超過彈性限度才會產生形變,當外力移除後,彈簧就會恢復原狀。
O
X
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
只要是在彈簧的彈性限度內,不管在彈簧上懸掛多重的物品,彈簧的伸長量都會相同。
O
X
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
下列哪些現象主要和重力有關?
羽毛掉落在地面
利用浮板學游泳
風力發電
燈泡發光
人類不會飄浮在空中
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
下列有關重力的描述,哪些是正確的?
地球對物體的吸引力
使物體向下掉落的主要原因
重力是一種非接觸力
地球上每一種物體都受到重力的影響
物體本身的重量就是該物體在地球上所受重力的大小
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