一物體之加速度為零,則此物體

Ch2 力與運動(前測)

Quiz
•
Physics
•
9th - 10th Grade
•
Hard
Nanyu Cheng
Used 2+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
必定靜止
必做等速率圓周運動
可能靜止或做等速度運動
必做等速度直 線運動
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
記錄物體之直線運動情形: t1 = 2s, x1 = 3m; t2 = 5s, x2 = 9m,則其平均速率 v =
0.4
0.5
1.2
2.1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
記錄物體之直線運動情形: t1 = 2s, x1 = 3m; t2 = 5s, x2 = 9m,則其平均速度 v =
0.4
0.5
1.2
2.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有一條彈簧,懸掛 2 公斤重的物體時,其形變量為 2 公分,則 該彈簧的力常數為
0.5
1
1.5
2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
物體不受外力作用,則維持其運動狀態不變,此謂之為物體的
慣性
彈性
慣量
反作用力
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
車輪帶泥,輪轉動則泥巴往外飛其原理是
離心力之作
重力速度之作用
向心力作用
慣性作用
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某力作用於 4 公斤物體上,使其以 5 m / s2 的加速度運動,今 以相同力作用於 5 公斤物體上,則其加速度為
2 m/s2
4 m/s2
5 m/s2
10 m/s2
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