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6下1-1b

Physics

6th Grade

Used 2+ times

6下1-1b
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24 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

用來裝訂紙張的大型釘書機,是施力點在中間的槓桿工具。

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2.

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。

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3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

槓桿裝置中,支點到施力點的距離稱為「施力臂」。

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4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

剪刀是應用槓桿原理的工具。

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5.

MULTIPLE CHOICE QUESTION

30 sec • 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.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

有些運用槓桿原理的工具,使用時雖不能省力,但可以使我們工作更便利。

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7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

當槓桿工具的支點在中間,且施力臂比抗力臂長時,使用起來會費力。

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