下列何者為兩力平衡的條件?

力的平衡

Quiz
•
Physics
•
8th Grade
•
Medium
Carrie Kan
Used 8+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
方向相反
大小相等
作用於同一直線上
以上皆是
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
關於力的要素,並不包括下列何者?
作用點
大小
方向
以上皆是
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小凱用手提一個繩子綁住的玩具,這個玩具所受的力是什麼?
只受重力
只受手的拉力
同時受重力和手的拉力
沒有任何的力
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一個靜止的物體,同時受二力作用,如果仍維持靜止狀態,那麼這二力的夾角是多少?
0度
60度
90度
180度
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列敘述,哪一個說明不是力的平衡?
只有在作用力沒有的情況下,物體才會靜止不動。
物體受力後運動狀態不改變,也不轉動,稱為力的平衡。
當同一物體同時受到大小相同、方向相反的兩力,且作用在同一直線時,則物體會保持靜止。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
「力」看不見,所以無法判斷物體是否受到力的作用。
o
x
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
彈簧不論受到多大的力,在不受力時都能恢復原狀。
O
X
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