自然第一次總複習0327
Authored by Chen陳Jimmy吉米 Chen陳Jimmy吉米
Science
6th - 8th Grade
Used 2+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
使用槓桿裝置時，當施力臂大於抗力臂會平衡，表示施的力與物體的重量有什麼關係？
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
由支點到抗力點的距離稱為什麼？
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
兩個體重不同的人玩翹翹板時，體重較輕的人應該坐在離支點較近還是較遠的位置，才有機會保持平衡？
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
若想要省力，施力點與支點的距離應該為何？
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
槓桿中，施力臂不變，若物體愈靠近支點，施力要如何才能使槓桿維持平衡？
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
槓桿中，若物體重量及抗力臂不變，施力臂愈長，手施的力量愈如何？
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
如果想要使槓桿保持平衡，當施力和抗力臂不變時，施力臂愈長，抗力點上的物體重量應該要如何改變？
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