
final
Authored by 陳耀民 老師
Science
1st - 5th Grade
Used 1+ times

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120 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
手裡的皮球往上拋,最後會落到地面,是因為皮球受到超距力再受到接觸力的作用。
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2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
風車和水車的轉動都是藉由力接觸到物體產生轉動的現象。
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3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
羽球比賽中,擊中羽球的力是一種接觸力。
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4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
接觸面的材質愈順滑,摩擦力會愈大。
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下雪會使地面的摩擦力變大,為了安全上的考量,車輛在雪地裡行駛必須在車輪上掛雪鏈。
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6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
力有大小和方向的特性,彈簧可以測量力的大小,但無法知道力的方向。
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7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使用槓桿原理設計的工具時,在施力點和抗力點上的力都是向下的力。
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