
簡單機械選擇題02
Quiz
•
Science
•
6th Grade
•
Practice Problem
•
Medium
勁男 李
Used 1+ times
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60 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列都是應用輪軸原理設計的物品,哪一個在使用上無法省力?
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
竹蜻蜓屬於輪軸原理的應用,「轉動竹蜻蜓的桿子使竹蜻蜓飛起」,施力臂與抗力臂的關係是哪一種?
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
古人使用桿秤來秤量物品的重量,是利用哪一種簡單機械的原理?
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
汽車駕駛開車時,手握方向盤的地方是輪軸中的哪一個部位?
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
當輪的直徑是軸的兩倍時,想移動 12 公斤的重物,此時施力於輪可以節省幾公斤的力?
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列關於工具特徵的敘述,哪一個一定是省力的工具?
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
使用開瓶器時,手握的地方愈靠近開瓶器把手的前端,會有什麼效果?
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