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WorksheetsMomentum
Total questions: 35
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.
Determine the momentum of 1000-kg car moving northward at 20 m/s.........
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s
d)
50 Kg * m/s
3.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
4.
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
5.
What is the unit for momentum?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
6.
What is the unit for velocity?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
7.
What is the unit for mass?
a)
m/sec
b)
kg/sec
c)
kg
d)
kg m/sec
8.
Which has more momentum: a car at a stop light or a bike moving at 15 mph?
a)
car
b)
bike
c)
they are equal
d)
cannot determine using the info provided
9.
Momentum is a ____________________ quantity
a)
science
b)
scalar
c)
vector
d)
energy
10.
What are the units of Force?
a)
kg m/sec
b)
kg m
c)
N
d)
N sec
11.
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)
7 N.s
c)
66 N.s
d)
None of these
12.
The impulse is ______ the change in momentum
a)
Greater than
b)
Equal to
c)
less than
d)
always double
13.
In any collision (crash) the ______ is ALWAYS constant
a)
Total Momentum
b)
total speed
c)
total Velocity
d)
Energy
14.
Which object listed below has the greatest momentum?
a)
A 0.05 kg object rolling at 0.2 m/s.
b)
A 0.15 kg object rolling at 2 m/s.
c)
A 0.15 kg object rolling at 1 m/s
d)
A 0.4 kg object rolling at 2 m/s.
15.
A runner has a momentum of 670 kg m/s and is traveling at a velocity of 9 m/s. What is his mass?
a)
74.4 kg
b)
6030 kg
c)
0.0134 kg
d)
80 kg
16.
A 2 kg cart has a momentum of 16 kg m/s. What is its velocity?
a)
8 m/s
b)
32 m/s
c)
0.125 m/s
d)
18 m/s
17.
The total momentum before a collision is _________ the total momentum after a collision.
a)
equal to
b)
less than
c)
more than
d)
It depends on the type of collision
18.
Which of the following has the least amount of momentum?
a)
An ant walking along the ground
b)
An ant at rest
c)
An elephant walking
d)
An elephant running
19.
In the momentum equation, how do you calculate velocity?
a)
v=d/t
b)
v=pm
c)
v=p/m
d)
v=m/p
20.
In the momentum equation, how do you calculate mass?
a)
m=vp
b)
m=pv
c)
m=v/p
d)
m=p/v
21.
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
22.
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
23.
What is the momentum if the mass is of an object is 50 kg and it has a velocity of 25 m/s?
a)
2 kg x m/s
b)
1250 kg x m/s2
c)
10 m/s
d)
1250 kg x m/s
24.
In this type of collision, objects tend to "stick" together.
a)
elastic
b)
inelastic
c)
They "stick" together in both types of collisions
25.
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
26.
The units for Impulse are
a)
N/s
b)
N-s
c)
N
d)
m/s
27.
Momentum is conserved in this type of collision
a)
elastic
b)
inelastic
c)
momentum is conserved in both types of collisions
28.
T/F: A big truck will always have more momentum than a small car.
a)
True
b)
False
29.
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.
30.
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
31.
When two objects collide, the Pbefore is ____________ the Pafter.
a)
more than
b)
less than
c)
equal to
d)
unrelated to
32.
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
33.
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
34.
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
35.
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
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