
1-1認識横桿 是非
Authored by Wendy Hsieh
History
4th Grade
Used 2+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
應用槓桿原理時,當抗力大小不變,施力臂和抗力臂的長短會影響施力的大小。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
利用尺和鉛筆製作一個簡易翹翹板,當支點和抗力點不動,手指壓在尺面的位置越靠近支點,就越省力。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
應用槓桿原理所設計的工具,都包含了支點、施力點和抗力點。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當翹翹板平衡時,小康坐的位置離支點比較近,小軒坐的位置離支點比較遠,由此可知小軒的體重比小康重。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使用槓桿工具時,施力臂比抗力臂長的設計可以幫助省力。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
剪刀是應用槓桿原理的工具。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
生活中所有應用槓桿原理製作的工具都是省力的。
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