國中自然2下ch6力與壓力
Quiz
•
Physics
•
8th Grade
•
Practice Problem
•
Medium
翰林出版國中自然 翰林出版國中自然
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8 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
關於摩擦力的敘述,何者錯誤?
是指接觸面上阻止物體運動的力
接觸面越粗糙,垂直力越大
垂直力越小,最大靜摩擦力越大
最大靜摩擦力與接觸面積大小無關
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
請問圖中所展示的是下列何種原理?
連通管原理
虎克原理
帕斯卡原理
浮力原理
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
墊板摩擦後可以吸起小紙片,請問這是哪一種力?
重力
磁力
接觸力
靜電力
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列何者為兩力平衡的條件?
方向相反
大小相等
作用於同一直線上
以上皆是
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
觀察此圖,可以得知問號處應填入
最大靜摩擦力
最小靜摩擦力
靜摩擦力
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列何者不是想要減少物體所承受壓力的例子?
加寬手提袋的握把
在泥濘的地面鋪上木板
將工地的木樁削成尖狀
坦克車以履帶取代輪子
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
關於最大靜摩擦力的敘述,何者正確?
兩物體接觸面的性質不會影響最大靜摩擦力
與物體間的接觸面積大小無關
重量越大,最大靜摩擦力越小
接觸面越粗糙,最大靜摩擦力越小
8.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
關於壓力的敘述,何者錯誤?
是力的形式
是物體每單位面積上所受的作用力
增加受力面積可減少物體承受的壓力
壓力與力是兩個不同的物理量
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