WorksheetsLinear Momentum
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
An open cart rolls along a frictionless track while it is raining. As it rolls, what happens to the speed of the cart as the rain collects in it? (assume that the rain falls vertically into the box)
a)
stops immediately
b)
maintains constant speed
c)
speeds up
d)
slows down
2.
Two objects are known to have the same momentum. Do these two objects necessarily have the same kinetic energy?
a)
yes
b)
no
3.
A small car and a large truck collide head-on and stick together. Which one has the larger momentum change?
a)
the car
b)
the truck
c)
they both have the same momentum change
4.
The momentum of an object depends upon the object's ___________&_____________.
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
5.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
6.
Momentum is a ____________________ quantity
a)
science
b)
scalar
c)
vector
d)
energy
7.
What are the units of momentum?
a)
kg
b)
m/s
c)
kg⋅m/s
d)
N
8.
The momentum of object A is 8 kg⋅m/s. What is the momentum of object B?
a)
4 kg⋅m/s
b)
8 kg⋅m/s
c)
16 kg⋅m/s
d)
32 kg⋅m/s
9.
Which of the following correctly defines impulse?
a)
change of momentum
b)
force over time
c)
magnitude of impact
d)
all of these are correct
10.
The law of conservation of momentum states that,
a)
p before is less than p after
b)
p before is the same as p after
c)
p before is more than p after
11.
What makes it possible to determine the motion of objects before or after colliding?
a)
Conservation of Energy
b)
Conservation of Strength
c)
Conservation of Momentum
d)
Conservation of Homework
12.
If all of these objects move at the same speed, which one would have the greatest momentum?
a)
soccer ball
b)
baseball
c)
bowling ball
d)
cannot be determined
13.
Which of the following is NOT a unit of momentum?
a)
kg*m/s
b)
N*s
c)
kg*mph
d)
kg*m/s2
14.
In an elastic collision, ______ is conserved.
a)
Momentum only
b)
Kinetic Energy only
c)
Both momentum and energy
15.
Both students experience the same ____
a)
force of impact
b)
time of impact
c)
change in momentum
d)
all of the above
100 %
