
力和運動 - 運動的平衡測驗
Quiz
•
Physics
•
3rd Grade
•
Hard
周小衝 周小衝
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什麼是靜止平衡?
指物體在運動時的速度為零
物體在運動時保持不動
指物體在運動時的加速度為零
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什麼是動態平衡?
物體在移動時不受力的狀態
物體在移動時保持平衡的狀態
物體在移動時失去平衡的狀態
物體在靜止時保持平衡的狀態
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
舉例說明靜止平衡和動態平衡的區別。
靜止平衡是指物體在靜止狀態下保持平衡,而動態平衡是指物體在運動狀態下保持平衡。
靜止平衡是指物體在運動狀態下保持平衡
動態平衡是指物體在靜止狀態下保持平衡
靜止平衡是指物體在運動狀態下失去平衡
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什麼是力矩?
力矩是物體的溫度
力矩是一個物體受到的力矩,它是力矩的乘積。
力矩是物體的速度
力矩是物體的體積
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如何計算力矩?
將力的大小減去力臂的長度
將力的大小乘以力臂的長度
將力的大小加上力臂的長度
將力的大小除以力臂的長度
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
舉例說明力矩的應用。
跳舞
拍攝照片
舉起重物
寫作文
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什麼是支點?
支點是物體旋轉的中心或軸心。
支點是物體的表面
支點是物體的重心
支點是物體的邊緣
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