
9上補考
Quiz
•
Physics
•
8th Grade
•
Practice Problem
•
Medium
林汎貞 林汎貞
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40 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
物體受外力作用時,其加速度方向為何?
(A)與運動方向一定相同
(B)與位移方向一定相同
(C)與合力方向一 定相同
(D)與速度方向一定相同
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
.關於物體移動的路徑長與位移,下列敘述何者正確?
(A)路徑長相同者,位移也相同
(B)位移相同者,路徑長 也相同
(C)同方向直線運動時,位移大小等於路徑長
(D)路徑長包括大小和方向
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列哪一物理量不具有方向性?
(A)速率
(B)速度
(C)力
(D)位移
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
.附表為某一物體做直線運動時的時間與位置紀錄表。試問此物體在 0~5 秒內的運動 情形可能為何?
(A) 等速度運動
(B)加速度和速度方向相反
(C)速率越來越快
(D)加速度越來越小
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
附圖為小皓運動的 v-t 圖。若他一開始的運動方向是向著南方,則下列哪一段期間,他 向著北方運動,且速度越來越慢?
(A) 甲
(B)乙
(C)丙
(D)丁
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列生活實例,何者與慣性定律無關 ﹖
(A)洗完手後,甩手讓水飛離
(B)在等速行駛的車廂中,鉛直上拋一 物體,物體會落在車廂的原上拋處
(C)當車輛發生撞擊事故時,車上的安全氣囊可以減少衝擊力
(D)搭公車時,公車 剎車瞬間,人會往前傾
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如附圖所示,將一元硬幣放在玻璃瓶上方,中間隔著一片塑膠片,今快速將塑膠片 水平抽 出,則一元硬幣將如何?
(A) 落入玻璃瓶中
(B)在玻璃瓶左方落下
(C)跟著塑膠片水平飛出
(D)在玻璃瓶右方落下
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