WorksheetsMomentum
Total questions: 31
Worksheet time: 26mins
Name
Class
Date
1.
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
2.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
3.
Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?
a)
car
b)
bike
c)
they are equal
d)
cannot determine using the info provided
4.
Determine the momentum of 1000-kg car moving southward at 20 m/s.........
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s south
d)
10000 kg * m/s south
5.
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
6.
A 2 kg cart has a momentum of 10 kg m/s. What is its velocity?
a)
22 m/s
b)
.2 m/s
c)
5.0 m/s
d)
20 m/s
7.
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
8.
A 0.250 kg cart moving at 0.500 m/s has how much momentum?
a)
0.5 kg*m/s
b)
.125 kg*m/s
c)
12.5 kg*m/s
d)
10 kg*m/s
9.
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
10.
A 9300 kg railroad car traveling at a velocity of 5 m/s strikes a second boxcar that weighs 5000 kg at rest. At what speed will the second boxcar move?
a)
18.6 m/s
b)
9.3 m/s
c)
7.5 m/s
d)
1.86 m/s
11.
A .030 kg bullet is fired from a gun with a speed of 350 m/s. If the gun has a mass of 0.9 kg, What is the recoil speed of the gun?
a)
11.7 m/s
b)
9.0 m/s
c)
10.5 m/s
d)
10 m/s
12.
A 9 kg blob moving at 5 m/s collides and sticks to a second blob with a mass of 5 kg. If the two bobs stick together, what will the velocity of the two blobs move at?
a)
3.57 m/s
b)
3.2 m/s
c)
10.0 m/s
d)
9.0 m/s
13.
The impulse is ______ the change in momentum
a)
Greater than
b)
Equal to
c)
less than
d)
always double
14.
When the speed of an object is doubled, its momentum
a)
remains unchanged in accord with the conservation of momentum.
b)
doubles
c)
quadruples
d)
decreases
15.
Momentum is a ____________________ quantity
a)
science
b)
scalar
c)
vector
d)
energy
16.
A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.
Calculate the impulse on the ball.
Calculate the impulse on the ball.
a)
1 N*s
b)
6 N*s
c)
33.3 N*s
d)
None of these
17.
The impulse is ______ the change in momentum
a)
Greater than
b)
Equal to
c)
less than
d)
always double
18.
In any collision (crash) the ______ is ALWAYS constant
a)
Total Momentum
b)
total speed
c)
total Velocity
d)
Energy
19.
How can a tennis ball and a bowling ball have the same momentum?
a)
have the same speed
b)
have different speeds
c)
one is moving backwards
d)
they can't
20.
In this type of collision, objects tend to "stick" together.
a)
elastic
b)
inelastic
c)
They "stick" together in both types of collisions
21.
A big fish swims upon and swallows a small fish at rest. After lunch, the big fish has less
a)
momentum
b)
velocity
c)
mass
22.
The units for Impulse are
a)
N/s
b)
N*s
c)
N
d)
m/s
23.
Momentum is conserved in this type of collision
a)
elastic
b)
inelastic
c)
momentum is conserved in both types of collisions
24.
T/F: A big truck will always have more momentum than a small car.
a)
True
b)
False
25.
The purpose of crumble zones on a car is to
a)
decrease time of impact.
b)
increase force of impact.
c)
increase the time of impact.
d)
decrease the impulse during impact.
26.
An egg is thrown at a wall and at a bed sheet. The force of impact will be
a)
Greater against the wall
b)
Greater against the sheet
c)
Force is equal
27.
When two objects collide, the Pbefore is ____________ the Pafter.
a)
more than
b)
less than
c)
equal to
d)
unrelated to
28.
Two objects of the same mass collide with each other. The second object is at rest and the first is moving at 5 m/s North before the collision. After the collision, the first mass is at rest and the second mass continues at 5 m/s North.
The type of collision represented by these two masses is
The type of collision represented by these two masses is
a)
Inelastic
b)
Explosive
c)
Elastic
29.
Sally runs and jumps off of a diving board and lands on a tube (she stays in the tube). The collision between Sally and the tube is
a)
Elastic
b)
Explosive
c)
Inelastic
d)
Completely absurd
30.
Heather noticed a collision outside the coffee shop where two cars collided and stuck together. What type of collision did she observe?
a)
Elastic
b)
Explosive
c)
Inelastic
31.
While playing pool, Emma notices that the pool balls bounce apart. What type of collision is this?
a)
Elastic
b)
Inelastic
c)
Explosive
d)
Force
100 %
