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Physical Science End of Course Review

Total questions: 107

Worksheet time: 7hrs 10mins

Name
Class
Date
1.

Which has a STRONGER force of gravity, Earth or the Moon?

a)

Earth

b)

Moon

2.

What is the SI unit used to measure force?

a)

pounds

b)

grams

c)

newtons

d)

friction

3.

Any object with mass has gravity.

a)

True

b)

Sometimes

c)

False

d)

Never

4.

The force of gravity acting on an object is the object's ______.

a)

mass

b)

matter

c)

weight

d)

friction

5.

The amount of matter in an object is

a)

pressure

b)

weight

c)

mass

d)

force

6.

Which of the following never changes no matter where in the universe?

a)

weight

b)

force

c)

mass

d)

pounds

7.

A person would weigh less on on the Moon than on the Earth because . . .

a)

Moon has more mass, and therefore more gravity

b)

Moon has less mass, and therefore more gravity

c)

Moon has more mass, and therefore less gravity

d)

Moon has less mass and therefore less gravity

8.

If Earth's mass was cut in half, what would happen to your mass?

a)

increase because gravitational force increases

b)

decrease because gravitational force decreases

c)

decrease because gravitational force increases

d)

nothing, mass is not affected by gravitational force

9.

What law is best described by inertia?

a)

1st

b)

2nd

c)

3rd

10.

"For every action, there is an equal and opposite reaction."

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4th Law

11.

Force = Mass x Acceleration

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4th Law

12.

"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4th Law

13.

The tendency of an object to resist changes in its motion is...

a)

inertia

b)

force

c)

acceleration

d)

velocity

14.

Any push or pull on an object.

a)

force

b)

velocity

c)

inertia

d)

momentum

15.

The force that opposes motion between two surfaces in contact with each other.

a)

inertia

b)

friction

c)

momentum

d)

gravity

16.

When all the forces on an object are equal and opposite, & the net force is zero, that's...

a)

balanced forces

b)

unbalanced forces

c)

terminal velocity

d)

reaction forces

17.

The combination of all the forces acting on an object is the...

a)

net force

b)

action force

c)

reaction force

d)

balance force

18.

A cannonball with a mass of 0.5 kg is flying at an acceleration of 10 m/sec/sec. What is it's force?

a)

50 Newtons

b)

5 Newtons

c)

20 Newtons

d)

9.5 Newtons

19.

A cannonball with a mass of 10 kg is flying at an acceleration of 5 m/sec/sec. What is it's force?

a)

50 Newtons

b)

5 Newtons

c)

20 Newtons

d)

9.5 Newtons

20.

Mass x acceleration = ?

a)

force

b)

inertia

c)

momentum

d)

velocity

21.

A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

22.

Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more mass and requires more force to accelerate.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

23.

This person bought coffee and put it on the seat next to them. If they stopped quickly and the coffee spilled which law would that represent?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

24.

When you step on a Lego. You push on the Lego and the Lego pushes back on you.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

25.

When the force on a car is doubled, the acceleration is doubled.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

26.

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

27.

A skater pushes another skater forward, but the one pushing moves backwards.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

28.

The harder you hit a baseball, the faster it accelerates.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

29.

You push against a wall and the wall is pushing back on you.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

30.

The acceleration of a 4 kg bowling ball will be greater than the acceleration of a 6 kg bowling ball if the same force is applied to both.

a)

Newton's

1st

Law of Motion

b)

Newton's

2nd

Law of Motion

c)

Newton's

3rd

Law of Motion

31.

If there are two forces going in the same direction how would you find the net force?

a)

Subtract

b)

Add

c)

Neither

d)

Multiply

32.

Find the net force: 15 N to the right, and another 15 newtons to the right.

a)

0 N Right

b)

0 N Left

c)

30 N Left

d)

30 N Right

33.

8 N to the left , and 4 N to the right. Find the net force. Is this balanced

a)

12 N Right No

b)

4 N Left No

c)

12 N Right Yes

d)

4 N Left Yes

34.

Forces that have a net force of zero ( the object is still).

a)

Balanced force

b)

Unbalanced force

35.

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

a)

60 N right

b)

10 N left

c)

60 n right

d)

50 N left

36.

You and your friend, are playing tug of war. Your friend pulls with a force of 55 N, to the rights. You pull with a force of 65 N, to the left. What is the net force on the rope?

a)

10 n, to the left

b)

20 N

c)

10 N, to the left

d)

10 N, to the right

37.

__________ is the sum of all forces acting on an object. It is capable of accelerating a mass.

a)

velocity

b)

gravity

c)

net force

d)

distance

38.

Wheels on a skateboard most likely experiences-

a)

Rolling Friction

b)

Sliding Friction

c)

Fluid Friction

d)

Static Friction

39.

Sally experiences-

a)

Rolling Friction

b)

Sliding Friction

c)

Fluid Friction

d)

Static Friction

40.

Swimming fish experience-

a)

Rolling Friction

b)

Sliding Friction

c)

Fluid Friction

d)

Static Friction

41.

Friction is a force that acts in an ___________ direction of movement.

a)

similar

b)

opposite

c)

parallel

d)

west

42.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
43.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
44.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
45.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
46.
What machine changes electrical energy into light and sound energy?
a)
battery
b)
lightbulb
c)
alarm clock
d)
apple
47.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
48.
On a roller coaster, where is maximum kinetic energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
49.
The formula for work is:
a)
d = r x t
b)
p = m x v
c)
f = m x a
d)
w = d x f
50.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy
51.
What form of energy?
a)
Mechanical (kinetic) energy
b)
Chemical (kinetic) energy
c)
Sound (potential) energy
d)
Sound (kinetic) energy
52.
At what position does the rock have the greatest kinetic energy?
a)
A
b)
B
c)
D
d)
E
53.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 
a)
The PE and KE increase and decrease together
b)
The PE decreases while the KE increases 
c)
Impossible to know without knowing the mass  
54.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
55.
According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?
a)
The total amount of energy is conserved
b)
The total amount of energy is less after a reaction
c)
The total amount of energy is more after a reaction
56.
Power is defined as the
a)
force on an object times the distance the object moves.
b)
force on an object divided by the time the force acts.
c)
work done times the time taken to do that work.
d)
work done on an object divided by the time to do the work
57.
Two factors that determine work are
a)
size of the force, and distance
b)
size of the force, and type of force
c)
mass, and distance
58.
work is a measurement of how much force is applied over a certain
a)
distance
b)
velocity
c)
shape
d)
size
59.
units of force are
a)
netwons
b)
grams
c)
joules
d)
meters
60.
if you push a cart with a force of 60 N for 2 m... how much work have you done
a)
120 J
b)
30 J
c)
120 N 
d)
30 N
61.
both work and energy are measured in 
a)
joules
b)
newtons
c)
meters
d)
seconds
62.
potential energy is mass (x) acceleration due to gravity (x) ?
a)
height
b)
distance
c)
size 
d)
mass
63.
true or false
the faster an object moves the more kinetic energy it has
a)
true
b)
false
64.
if you lift a 2 kg box of toys to the top shelf of a closet that is 3 m high... how much PE will the box have
a)
58.8 J
b)
58.8 N
c)
6 J
d)
6 N
65.
In the formula for kinetic energy, what is being squared
a)
mass
b)
velocity
66.
True or false
energy is conserved
a)
true
b)
false
67.
What is the efficiency of a machine if 55.3 J of work are done on the machine, but only 14.3 J is produced by the 1machine?
a)
0.25 J
b)
26%
c)
386%
d)
3.86 J
68.
How much work is done if I use 5 Newtons to move an object 2 meters?
a)
10 Newtons
b)
10 meters
c)
10 Joules
d)
7 Joules
69.
Using a lever, Joe is able to lift a 10,000 N car off of the ground with a force of 1000 N. What is the mechanical advantage of the lever?
a)
1
b)
10
c)
100
d)
1000
70.
The mechanical advantage of this inclined plane is.....
a)
2.4
b)
3.4
c)
4.4
71.
True or False: No machine is 100 % efficient.
a)
True
b)
False
72.
The input force is 20 and the output force is 4.  What is the mechanical advantage?
a)
80
b)
5
c)
.2
73.
Output length of a lever is 12 and the mechanical advantage is 3. What is the input length?
a)
36
b)
4
c)
.25
74.
What is the efficiency of the machine if the input is 263 J and the output is 142 J? 
a)
6.26%
b)
54%
c)
100%
d)
260%
75.
What is the mechanical advantage if you lift a load of 300 newtons and you only push down with 50 newtons?
a)
250
b)
50
c)
60
d)
6
76.
What is input force?
a)
3 times the output force
b)
a push or a pull
c)
80N
d)
the amount of force you exert on a machine
77.
Machines don't reduce energy you need to move things, but they reduce what?
a)
Weight
b)
Mass
c)
Force
d)
Height
78.
This is work divided by time.
a)
Work
b)
Distance
c)
Power
79.
How much time is needed to produce 720 Joules of work if 90 watts of power is used? 
a)
0.125 s
b)
8 s
c)
64800 s
d)
80 s
80.
If 68 W of power is produced in 18 seconds, how much work is done?
a)
1,224 J
b)
0.264 J
c)
3.77 J
d)
12.24 J
81.
Which object has a velocity of 0.0 m/s?
a)
A
b)
B
c)
C
d)
D
82.
The momentum of an object depends upon the object's ___________&_____________.  
a)
size and shape
b)
mass and inertia
c)
mass and veloctiy
d)
mass and energy
83.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
84.
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
85.
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
86.
Momentum is a ____________________ quantity
a)
science
b)
scalar
c)
vector
d)
energy
87.
Which of the following has more momentum? 
a)
a small truck traveling at 40mph
b)
a large truck traveling at 40mph
c)
more information is needed
88.
What is the average momentum of a 50-kg person who covers 400 meters in 50 seconds? 
a)
400 kg.m/s
b)
20,000 kg m/s
c)
8 kg.m/s
d)
 50 kg.m/s
89.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
90.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
91.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
92.
A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
93.
Shona cycles at an average speed of 8km/h. How far has she travelled if she cycles for 4 hours?
a)
55km
b)
32km
c)
43km
d)
32miles
94.
What is happening at D?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
95.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
96.
What is happening at E?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Steady speed; returning to start position
97.
What is happening at A?
a)
Stationary
b)
Accelerating
c)
Slower steady speed; moving away from the starting position
d)
Steady speed; returning to start position
98.
Acceleration only takes place when things speed up. 
a)
True
b)
False
99.
When are you undergoing an acceleration in a car? 
a)
speed up
b)
slow down
c)
make turns
d)
All of the above 
100.
A negative acceleration means that your object is _____. 
a)
Going to Wal-mart 
b)
running for president 
c)
speeding up 
d)
slowing down 
101.
Acceleration is defined as the change in velocity divided by
a)
speed
b)
final velocity
c)
time
d)
distance
102.
What car has the fastest acceleration?
a)
Car goes from 0-60 Mph in 3 seconds
b)
Car goes from 0-60 Mph in 4 seconds
c)
Car goes from 0-60 Mph in 5 seconds
d)
Car goes from 0-60 Mph in 6 seconds
103.
A drag racer accelerated from 0 m/s to 200 m/s in 5 s.  What was the acceleration?
a)
0 m/s
b)
40 m/s2
c)
-40 m/s2
d)
40 m/s
104.
A boat is travelling upstream at 5 km/h [N] relative to the shore. If there is a current of 7 km/h [S], what is the boat’s velocity relative to the water? 
a)
2 km/h
b)
35 km/h
c)
12 km/h
d)
1.4 km/h
105.
How fast does the plane appear to be moving to a person riding in the car?
a)
520 m/s
b)
460 m/s
c)
30 m/s
d)
490 m/s
106.
How fast does the hot air balloon appear to be moving to the person in the canoe?
a)
1 m/s to the left
b)
1 m/s to the right
c)
5 m/s to the left
d)
5 m/s to the right
107.
A baseball pitcher is warming up as he travels to a game by plane. The plane is flying at 250 m/s North relative to the ground. The pitcher throws the ball at 50 m/s South relative to the airplane. What is the ball’s velocity relative to the ground, if the pitcher throws the ball towards the front of the plane? 
a)
200 m/s South
b)
200 m/s North
c)
250 m/s South
d)
250 m/s North

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