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Newton's Laws of Motion/Momentum - Test

Total questions: 46

Worksheet time: 43mins

Name
Class
Date
1.

This is an example of which law?

a)

1st

b)

2nd

c)

3rd

2.

This is an example of which law?

a)

1st

b)

2nd

c)

3rd

3.

This is an example of which law?

a)

1st

b)

2nd

c)

3rd

4.
F = MxA
a)
1st
b)
2nd
c)
3rd
5.

Force exerted between the surfaces of two objects is:

a)

Friction

b)

Inertia

c)

Force

d)

Gravity

6.
Objects tendency to resist change
a)
Friction
b)
Inertia
c)
Force
d)
Gravity
7.

VOCABULARY: Push or Pull

a)

Friction

b)

Inertia

c)

Force

d)

Gravity

8.

An automobile you are riding in suddenly stops, but you continue to go forward is explained by which law?

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

9.

When the force on a car is doubled, the acceleration is doubled is explained by:

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

10.
A rocket in outer space continues to move.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
11.
A magician pulls a table cloth from under a table of dishes.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
12.
You push against the floor when you walk and the floor pushes back on you.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
13.
You are carrying a lunch tray when you bump into the edge of a table.  Although the tray did not tip, your milk falls off of the front of the tray.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
14.
True or false.  The appropriate units for velocity are m/s2
a)
True
b)
False
15.

An object with a mass of 5.0 kg accelerates 8.0 m/s2 when an unknown force is applied to it. What is the amount of the force?

a)

40 newtons

b)

40 kg

c)

1.6 newtons

d)

0.63 newtons

16.
An object accelerates 3.0 m/s2 when a force of 6.0 newtons is applied to it. What is the mass of the object?
a)
2 kg
b)
2 g
c)
0.5 kg
d)
0.5 g
17.
If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?
a)
10 m/s^2
b)
.1 m/s^2
c)
100 m/s^2
d)
1 m/s^2
18.

Football A has a greater mass than football B. Which football will have greater momentum when both are thrown with the same force in the same direction?

a)

Football A

b)

Football B

c)

They will have the same momentum

d)

Mass has no effect on momentum

19.
What is a Balanced Force?  Two objects where...
a)
They both have equal force 
b)
One has more force than the other
c)
Both have no force
d)
One has more gravity than the other
20.
What is an Unbalanced Force?  Two objects where...
a)
They both have equal force 
b)
One has more force than the other
c)
Both have no force
d)
One has more gravity than the other
21.
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
22.

The equation to calculate momentum is:

a)

p=mv

b)

p=1/2mv2

c)

p=mgh

d)

p=mg

23.
What is the unit for momentum?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
24.
A toy car of a mass of 3 kg moves along a frictionless railroad track with a velocity of 4 m/s. What is the momentum of the toy car?
a)
0.75 kg m/s
b)
0.75 N
c)
12 kg m/s
d)
12 N
25.
An impulse is equivalent to
a)
the change in mass of an object.
b)
the change in volume of an object.
c)
a force applied to an object for a period of time.
d)
a force applied to an object for a period of time.
26.
In an elastic collision, the objects stick together after the collision. 
a)
True
b)
False
27.

What are the units of impulse?

a)

N

b)

N*s

c)

s

d)

kg m/s

28.
The total momentum before the collision is less than the total momentum after the collision. 
a)
True
b)
False
29.

You do an experiment to drop an egg from the roof of your school and the egg must not break. The first time you do it, the egg breaks. 😔 What could you do to improve your egg safety device design?

a)

Reduce the impact time

b)

Extend the impact time

c)

Increase the amount of force the device hits the ground with

d)

Absolutely nothing. The egg was predestined to crash.

30.
Which of the following has the greatest momentum? 
a)
a scurrying cockroach
b)
a parked semi-truck
c)
more information is needed
31.
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.
32.
What is the unit for mass?
a)
m/sec
b)
kg/sec
c)
kg
d)
kg m/sec
33.
What is the unit for velocity?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
34.
The difference between a car hitting a wall vs. a car hitting a hay stack is
a)
the Impulse on the car hitting the wall is greater
b)
the change in momentum of the car hitting the wall is greater
c)
the force on the car hitting the hay stack is greater
d)
the collision time of the car hitting the hay stack is greater
35.
The law of conservation of momentum states that, 
a)
p before is less than p after
b)
p before is the same as p after
c)
p before is more than p after
36.
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
37.
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
38.
What are the units of Force?
a)
kg m/sec
b)
kg m
c)
N
d)
N sec
39.
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
40.
Which of the following images has more momentum?
a)
Object A
b)
Object B 
c)
They are the same
41.

When a cannon fires a cannon ball, the explosion inside the cannon exerts a greater force on...

a)

the cannon

b)

the cannon ball

c)

neither, the force is the same

42.

The cannon ball has a mass of m and the cannon has a mass of 100m. After the cannon ball is fired from the cannon, the greater acceleration is experienced by...

a)

the cannon due to its very low mass

b)

the cannon due to its very high mass

c)

the cannon ball due to its very low mass

d)

the cannon ball due to its very high mass

43.
The canon ball has a mass of m and the cannon has a mass of 100m. After the firing of the canon-canon ball system, the total momentum after the explosion is ____ compared to the total momentum before the explosion (with no loss of energy)
a)
greater than
b)
less than
c)
the same
44.
When momentum is conserved, no energy is lost, and no permanent deformation in the objects, the collision can be best described as...
a)
elastic collision
b)
inelastic collision
c)
conserved
45.
A 2.5 kg ball moving at 4.2 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)
2.1 m/s
b)
2.5 m/s
c)
4.2 m/s
d)
8.4 m/s
46.
While playing pool, the white cue ball strikes the 8 ball. Before the collision, the cue ball's velocity was 10 m/s and the 8 ball was at rest. If both ball's have a mass of 0.15 kg and the cue ball's velocity after the collision is 2 m/s, what is the 8 ball's velocity?
a)
2 m/s
b)
8 m/s
c)
-2 m/s
d)
1.5 m/s

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