
6下自然1-1
Authored by Anonymous Anonymous
Geography
6th Grade
Used 1+ times

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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
抬起物體時,只要選擇應用了槓桿原理的方法,就一定可以省力。
O
X
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
桿秤是透過調整施力臂的長度來判斷物重的工具。
O
X
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
就算兩個人的體重不同,只要坐在適當的位置,也有可能使翹翹板平衡。
O
X
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
雖然開瓶器是費力的槓桿工具,但是具有方便打開飲料瓶蓋的優點。
O
X
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
所有槓桿工具的支點都在中央。
O
X
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
支點在施力點和抗力點之間的槓桿一定屬於省力的工具。
O
X
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
想要利用槓桿抬起物體,如果施的力量比物體的重量還大時,代表這種槓桿設計是費力的。
O
X
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