Worksheetsphy_2.7_momentum 動量 1
Total questions: 5
Worksheet time: 1hrs 15mins
Name
Class
Date
1.
The equation to calculate momentum is
計算動量的方程是
a)
p=21mv2
b)
p=mgh
c)
p=mv
d)
p=mg
2.
Which of the following physical quantities is NOT a vector?
以下哪一個物理量不是向量﹖
a)
Velocity 速度
b)
Weight 重量
c)
Momentum 動量
d)
Work 功
3.
Which of the following is NOT a unit of momentum?
以下哪一項不是動量單位？
a)
N s
b)
kg ms-1
c)
kg ms-2
4.
Find the momentum of the dog.
Take the direction towards the left as positive.
求小狗的動量。
取向左為正。
a)
–80 kg m s–1
b)
–100 kg m s–1
c)
80 kg m s–1
d)
100 kg m s–1
5.
Find their total momentum.
Take the direction towards the left as positive.
求兩者的總動量。
取向左為正。
a)
-20 kg ms-1
b)
-180 kg ms-1
c)
20 kg ms-1
d)
180 kg ms-1
100 %
