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Calculate Momentum

Total questions: 18

Worksheet time: 2hrs 30mins

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 velocity

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 Kg * m/s north

b)

10000 kg * m/s north

c)

20000 Kg * m/s south

d)

10000 kg * m/s south

5.

Which of the following has the greatest momentum?

a)

a child running

b)

a parked semi-truck

c)

more information is needed

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 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
8.
What is the unit for momentum?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
9.
What is the unit for velocity?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
10.

In order for an object to have momentum it must be ________

a)

moving

b)

motionless

c)

asleep

11.
What is the unit for mass?
a)
m/sec
b)
kg/sec
c)
kg
d)
kg m/sec
12.
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
13.
What is Newton's Third Law?
a)
Object in motion stays in motion and an object at rest stays at rest unless acted on by a outside force
b)
Force = mass x acceleration
c)
For every action there is an equal and opposite reaction
14.
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
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)
6030 kg
b)
0.0134 kg
c)
74.4 kg
d)
80 kg
16.

If a 6.0 kg bowling ball is rolled with a velocity of 3.5 m/s, what is the momentum of the ball?

a)

21 kg m/s

b)

12 kg m/s

c)

23 kg m/s

d)

22 kg m/s

17.

What is the velocity of a 0.5 kg ball that has a momentum of 3.00 kg·m/s?

a)

6.00 m/s

b)

150 m/s

c)

300 m/s

d)

250 m/s

18.

Determine the momentum of 3,000-kg car moving northward at 40 m/s.........

a)

20,000 N

b)

120,000 Kg * m/s south

c)

120,000 Kg * m/s north

d)

10,000 kg * m/s south