Worksheetspractice momentum
Total questions: 13
Worksheet time: 28mins
Name
Class
Date
1.
The momentum of an object depends upon the object's ___________&_____________.
a)
size and shape
b)
mass and weight
c)
mass and veloctiy
d)
Speed and energy
2.
The variables that make up the "Momentum Equation" are...
a)
m = mass
v = velocity
p = momentum
b)
m = miles
v = velocity
p = momentum
c)
m = mass
v = distance
p = momentum
d)
None of these options
3.
The definition of momentum is
a)
Mass in Motion
b)
The size of an object
c)
The velocity of an object
d)
A comparison between two objects
4.
What are the units of Force?
a)
kg m/sec
b)
kg m
c)
N
d)
N sec
5.
An impulse depends on
a)
weight and force
b)
force and time
c)
electric charge and time
d)
none of these
6.
Change in momentum is called:
a)
Force
b)
Impulse
c)
Acceleration
d)
Torque
7.
A 5 N force is applied to a 3 kg ball to change its velocity from +9 m/s to +3 m/s. The impulse on the ball is ______ N s.
a)
-2.5
.
.
.
.
b)
-10
c)
-18
d)
-45
8.
A runner has a momentum of 720 kg m/s and is traveling at a velocity of 5 m/s. What is his mass?
a)
14.4 kg
b)
1400 kg
c)
144 kg
d)
360 kg
9.
Which object has more momentum?
a)
motorcycle at 15 mph
b)
bike at 15 mph
c)
car at a stoplight
d)
runner at 10 mph
10.
A 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball.
a)
55 kg*m/s
b)
100 kg*m/s
c)
250 kg*m/s
d)
500 kg*m/s
11.
An object with a mass of 2000 kg at rest has what momentum?
a)
2000 kg m/sec
b)
0 kg m/sec
c)
2000 kg
d)
2000 m/sec
12.
A 2.5 kg ball moving at 5 m/s collides with a 2.5 kg stationary ball in a perfectly elastic collision. What is the velocity of the second ball after the collision?
a)
5 m/s
b)
2.5 m/s
c)
10 m/s
d)
7.5 m/s
13.
When two objects collide, the Pbefore is ____________ the Pafter.
a)
more than
b)
less than
c)
equal to
d)
unrelated to
100 %
