
自然六下1~2 C
Authored by 張 協世
Science
6th Grade
Used 5+ times

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41 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
兩個相扣的齒輪組,大齒輪40齒,小齒輪20齒,當小齒輪轉一圈時,大齒輪轉幾圈?
一圈
兩圈
半圈
一圈半
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使用滑輪時,滑輪本身位置固定不動的,稱為定滑輪。
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3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
滑輪組是一種省力又省時的工具,因此應用十分普遍。
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×
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
不論是使用動滑輪或定滑輪,都可以改變施力方向和施力大小。
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
螺絲起子是應用輪軸的工具,而輪軸是滑輪原理的應用。
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6.
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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7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
除了齒輪和鏈條等機械外,空氣、水和油等流體也可以傳送動力。
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