返回題庫廣場
物理
國中一至三年級
題目預覽
目前顯示 10 道題目中的前 5 道——免費註冊即可匯入完整題庫，和全班一起玩。
1
What is the standard symbol for displacement?
A
a
B
v
C
Δx
D
d
2
On a coordinate axis, what is the point of reference from which positions are measured called?
A
The positive direction
B
The origin
C
The displacement
D
The distance
3
An object moves from position x = 3 m to x = 7 m. What is its displacement?
A
+4 m
B
-4 m
C
+10 m
D
-10 m
4
An object moves from x = 5 m to x = 2 m. What is its displacement?
A
+3 m
B
-3 m
C
-7 m
D
+7 m
5
If an object moves from x = -2 m to x = 4 m, what is its displacement?
A
-2 m
B
-6 m
C
+2 m
D
+6 m