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Chapter 12 Test Review

Total questions: 41

Worksheet time: 51mins

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.
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 N
b)
20000 Joules
c)
20000 Kg * m/s south
d)
10000 kg * m/s south
5.
Momentum is a ____________________ quantity
a)
science
b)
scalar
c)
vector
d)
energy
6.
Which of the following has the greatest momentum? 
a)
a scurrying cockroach
b)
a parked semi-truck
c)
more information is needed
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.
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.
9.
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
10.
What is the unit for momentum?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
11.
What is the unit for velocity?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
12.
What is the unit for mass?
a)
m/sec
b)
kg/sec
c)
kg
d)
kg m/sec
13.
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
14.

If the earth did not have _________, it would be impossible for humans to do anything because we would not be able to sit, stand, or walk around.

a)

weight

b)

the 3rd law of motion

c)

ice cream

d)

gravity

15.

________ _________ is when an object slows down and can be caused by friction.

a)

Mechanical Force

b)

Unbalanced Force

c)

Friction Force

d)

Negative acceleration

16.

___________ is not the same as mass since you do not get overweight by traveling to a larger planet.

a)

Motion

b)

Gravity

c)

Acceleration

d)

Weight

17.

Which law of motion says that for anything to move you must apply an unbalanced force to it?

a)

1st

b)

2nd

c)

3rd

d)

5th

18.

Letting go of a balloon full of air is demonstrating Newton's ______ _______ ________ _________ because the air comes out of the back and the balloon moves forward.

a)

1st law of motion

b)

2nd law of motion

c)

3rd law of motion

d)

13th law of motion

19.

Many students wiggle in their seats and move from one spot in the room to another. This is an example of _______.

a)

motion

b)

friction

c)

potential energy

d)

dancing

20.

An example of newtons 1st law

a)

kicking a ball

b)

walking

c)

moving

d)

running

21.

Newton's third law states that any action will have a(n) _______ and ______ reaction

a)

equal and same

b)

equal and opposite

c)

equal and equal to

22.

What are the appropriate units to describe acceleration?

a)

m/p

b)

m/h

c)

m/s

d)

m/s squared

23.

In referring to how much matter a body contains, we use the term:

a)

Volume

b)

Weight

c)

Mass

24.

If an object has twice as much mass as another, then it also has twice as much:

a)

Area

b)

Center of gravity

c)

Weight

d)

Acceleration

25.
Without gravity we would________. 
a)
Float away
b)
Stay in the ground
c)
Nothing would happen.
d)
I don't know
26.
Where can you jump higher, on Earth or on the Moon?
a)
Earth
b)
Moon
27.
What is mass?
a)
How much MATTER makes up an object.
b)
How much GRAVITY is pulling an object.
28.
Is weight AFFECTED by gravity?
a)
YES, depending on the force of gravity is how much you weight.
b)
NO, it is not related.
29.
Where would you weight more, on Earth or on the Moon?
a)
Earth
b)
Moon
30.
Where would you have more mass, on Earth or on the Moon?
a)
Earth
b)
Moon
c)
IS THE SAME, mass DOESN'T CHANGE
d)
In both Planets.
31.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
32.

What is the unit to MEASURE force?

a)

Kilogram

b)

Meter

c)

Pounds

d)

Newton

33.

A ____________ is a push or a pull on an object.

a)

friction

b)

force

c)

magnet

d)

gravity

34.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
35.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
36.

Forces that have a net force of zero Newtons

a)

Balanced force

b)

Unbalanced force

37.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
38.
What is a Force?
a)
The distance
b)
Mass
c)
A push or pull
d)
Give me a  failing grade 
39.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
40.

What made Isaac think about gravity?

a)

He hit his head on a tree

b)

A bird pooped on his head

c)

He saw a shooting star

d)

An apple fell from a tree

41.

Isaac Newton created the Three Laws of....

a)

motion

b)

movement

c)

gravity

d)

texting

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