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槓桿原理測驗

Authored by 老師 張

Physics

1st - 5th Grade

Used 1+ times

槓桿原理測驗
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23 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

從槓桿實驗的結果發現,當抗力大小和抗力臂長度固定時,施力臂越長會越省力。

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

榨汁器是支點在中間的槓桿工具,使用時���省力也不費力。

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

只要是利用槓桿原理的工具,都可以達到省力的效果。

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

剪刀是應用槓桿原理的工具。

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

用麵包夾夾取麵包雖然無法省力,但卻能讓我們方便操作。

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

尖嘴鉗是應用槓桿原理的工具。

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7.

OPEN ENDED QUESTION

3 mins • 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。

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