阿美進行輪軸實驗,他將待試驗的物品和彈簧秤掛在輪軸上,此時輪上和軸上用來吊掛物品和彈簧秤的棉線應該如何纏繞?
康軒版六上 1-2滑輪與輪軸-20題QUIZIZZ平時測驗題

Quiz
•
Physical Ed
•
6th Grade
•
Medium
WU CHENG TA
Used 129+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
纏繞方向要相同
纏繞方向要相反
隨便纏繞即可
不需要纏繞棉線。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使用螺絲起子轉動螺絲釘時,手要握在什麼位置會比較省力?
螺絲起子的最前端
螺絲起子的握把
螺絲起子中間的細軸
任何位置的施力大小都相同。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使用下列哪一種裝置抬高物體時,手施力的方向是向上?
定滑輪
動滑輪
滑輪組
轆轤(一種輪軸裝置)。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
要搬運很重的物體時,為了達到省力的效果,應該選用下列哪一種滑輪?
定滑輪
動滑輪
定滑輪或動滑輪都可以
定滑輪和動滑輪兩種都不行。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果不計算滑輪的重量,使用動滑輪時,施20公斤的力拉動繩子,最多能抬起多少公斤重的物體?
10公斤重
20公斤重
30公斤重
40公斤重。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使用一個動滑輪抬起物體時,若要將物體抬高10公分,則須將繩子拉動多少公分?
5公分
10公分
15公分
20公分。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關輪軸的敘述,下列哪一項不正確?
輪軸是槓桿原理的應用
使用輪軸時,輪與軸會一起轉動,當軸轉動1小圈,輪會轉動好幾圈
使用輪軸時,手在直徑大的圓輪施力,就會省力
喇叭鎖、手搖式削鉛筆機、水龍頭、螺絲起子等都是應用輪軸的物品。
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