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WorksheetsMomentum Weight
Total questions: 24
Worksheet time: 15mins
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)
20000 kg * m/s north
3.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
4.
In any collision (crash) the ______ is ALWAYS constant
a)
Total Momentum
b)
total speed
c)
total Velocity
d)
Energy
5.
A 2 kg cart moving at 4 m/s has how much momentum?
a)
8 kg-m/s
b)
1 kg-m/s
c)
2 kg-m/s
d)
6 kg-m/s
6.
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
7.
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.
8.
A runner has a momentum of 100 kg m/s and is traveling at a velocity of 5 m/s. What is his mass?
a)
20 kg
b)
500 kg
c)
150 kg
d)
80 kg
9.
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
10.
What are the units of Force?
a)
kg m/sec
b)
kg m
c)
N
d)
N sec
11.
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
12.
Both mass and velocity are _______________ proportional to momentum.
a)
Directly
b)
Inversely
13.
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
14.
If two objects have the same mass, then the faster moving object has ____________ momentum.
a)
more
b)
less
c)
the same
15.
What is the unit for momentum?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
16.
What is the unit for velocity?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
17.
What is the unit for mass?
a)
m/sec
b)
kg/sec
c)
kg
d)
kg m/sec
18.
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
19.
If the mass of an object doubles but the speed remains the same, what happens to momentum?
a)
half as much
b)
doubles
c)
triples
d)
cannot calculate from info given
20.
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
21.
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
22.
Which has more momentum?
a)
Elephant at rest
b)
Ant walking at 1 m/s
23.
If two 1 kg pucks speeding toward each other with the same speed, the total momentum is...
a)
0 kg m/s
b)
1 kg m/s
c)
2 kg m/s
d)
10 kg m/s
24.
When two objects collide, what happens to their momentum?
a)
their total momentum doesn’t change
b)
their total momentum is greater
c)
their total momentum is smaller
d)
all of these
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