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Momentum in a System

Total questions: 35

Worksheet time: 58mins

Name
Class
Date
1.
Momentum is a ____________________ quantity
a)
science
b)
scalar
c)
vector
d)
energy
2.

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

3.
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
4.
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
5.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
6.
A 0.250 kg cart moving at 0.400 m/s has how much momentum?
a)
0.1 kg-m/s
b)
1 kg-m/s
c)
10 kg-m/s
d)
100 kg-m/s
7.
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
8.
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
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.
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
11.
Which of the following images has more momentum?
a)
Object A
b)
Object B 
c)
They are the same
12.
If two objects have the same mass, then the faster moving object has ____________ momentum.
a)
more 
b)
less
c)
the same
13.

Why is momentum considered to be a vector quantity?

a)

Momentum has to indicate both magnitude and direction.

b)

Momentum has to have a positive value.

c)

Momentum has to be calculated using speed.

d)

Momentum has a quantity but not a unit.

14.

A 1 kg ball rolling 4 m/s runs into another 2 kg ball which is not moving. How much total momentum does the balls have before the collision

a)

4

b)

6

c)

12

d)

0

15.
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
16.
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
17.
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
18.
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.
19.
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
20.
What is the unit for velocity?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
21.
What is the unit for mass?
a)
m/sec
b)
kg/sec
c)
kg
d)
kg m/sec
22.
Momentum is a ____________________ quantity
a)
science
b)
scalar
c)
vector
d)
energy
23.
A 0.250 kg cart moving at 0.400 m/s has how much momentum?
a)
0.1 kg-m/s
b)
1 kg-m/s
c)
10 kg-m/s
d)
100 kg-m/s
24.
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
25.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
26.
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
27.
Which of the following has more momentum? 
a)
a moving SUV
b)
a moving semi-truck
c)
more information is needed
28.

Which of the following has the greatest momentum?

a)

a scurrying cockroach

b)

a parked semi-truck

c)

more information is needed

29.

The momentum of an object is always in the same direction as the velocity of the object.

a)

True

b)

False

30.

What is the momentum of the system before the collision?

a)

66 kg*m/s to the right

b)

54 kg*m/s to the right

c)

66 kg*m/s to the left

d)

54 kg*m/s to the left

31.

The momentum of the system before the collision is _____ kg*m/s

a)

22 kg*m/s to the left

b)

18 kg*m/s to the left

c)

22 kg*m/s to the right

d)

18 kg*m/s to the right

32.

What is the momentum of the grandma / boy system before the collision?

a)

106 kg*m/s to the right

b)

100 kg*m/s to the right

c)

520 kg*m/s to the right

d)

480 kg*m/s to the right

33.

Two objects with different masses can have the same momentum.

a)

True

b)

False

34.

A tennis ball and a bowling ball with the same velocity will have the same momentum.

a)

True

b)

False

35.

This is a test question

4 lines

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