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Physics Quarterly Review

Total questions: 75

Worksheet time: 58mins

Name
Class
Date
1.

Potential energy is

a)

stored energy

b)

energy of motion

c)

energy being released

d)

dependent on mass and velocity

2.

Kinetic energy is

a)

dependent on mass and height

b)

stored energy

c)

energy of motion

d)

dependent on mass and gravity

3.

What is momentum?

a)

an object's tendency to resist changes in motion

b)

the ability to do work or cause change

c)

the total force acting on an object

d)

a measure of how difficult it is to stop a moving object

4.

Which law is this? An object in motion stays in motion and an object at rest stays at rest unless acted upon by an outside force.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

5.

Energy is measured in

a)

Newtons

b)

meters

c)

Joules

d)

kilograms

6.

Mass is measured in

a)

kilograms

b)

meters

c)

seconds

d)

Joules

7.

The _______________ is transformed into electrical energy when a battery is connected to a wire.

a)

Chemical energy

b)

Sound energy

c)

Kinetic energy

d)

Sun energy

8.

What type of potential energy does a match have?

a)

thermal energy

b)

light energy

c)

chemical energy

d)

electrical energy

9.

Which is an example of potential energy?

a)

A child is hopping down the sidewalk.

b)

A horse is galloping in a field.

c)

A person is sitting on a horse at rest.

d)

A car is driving on the street.

10.

Which is an example of kinetic energy?

a)

A soccer ball is lying on the ground.

b)

A person is standing in line.

c)

A roller coaster is sitting at the top of a hill.

d)

Water is flowing is flowing in a river.

11.

Which transformation best explains what happens in a glow stick when you shake it to make it glow?

a)

chemical to mechanical

b)

mechanical to chemical

c)

light to chemical

d)

chemical to light

12.

Which energy transformation best explains what happens to make a lamp work?

a)

electrical to light

b)

light to electrical

c)

mechanical to light

d)

sound to electrical

13.
What is a force?
a)
a push or pull
b)
speed or acceleration 
c)
potential or kinetic energy
d)
balanced or unbalanced force
14.
When objects remain in the same place, it is called...
a)
balanced force
b)
unbalanced force
15.
What is the force that causes everything to be pulled down to the Earth?
a)
friction
b)
gravity
c)
balanced
d)
unbalanced
16.
Force is measured in....
a)
Galileos 
b)
Newtons
c)
Di Vincis
d)
Einsteins 
17.
What is a force that works AGAINST MOTION?
a)
Force
b)
Motion
c)
Gravity
d)
Friction
18.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
19.
If these boys 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.
20.

If you push a tennis ball, a bowling ball, and a basketball with the same amount of force, which one will go farthest?

a)

bowling ball

b)

tennis ball

c)

basketball

21.

If a magician pulls a table cloth from under a table of dishes, what should happen based on Newton's 1st law?

a)

The dishes will stay in place on the table.

b)

The dishes will fall to the ground.

c)

The dishes will accelerate and then slow down.

22.

It is much more difficult to move a dresser full of clothes than an empty dresser. Why?

a)

An object in motion stays in motion.

b)

It takes more force to move an object with more mass.

c)

It takes more friction to move the empty dresser.

23.
A force of 90N is applied to each cart below, which one will accelerate the fastest?
a)
Cart 1
b)
Cart 2
c)
Cart 3 
d)
Cart 4
24.
Velocity is both ____ and _____. 
a)
speed , direction 
b)
direction, mass
c)
volume, density 
d)
direction, magnitude 
25.
What is the speed of a car that traveled 56 m in 4 seconds?
a)
64 m/s
b)
34 m/s
c)
14 m/s
d)
0.0625 m/s
26.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
27.
65mi/hr South is an example of...
a)
Speed
b)
Velocity
c)
Acceleration
d)
Direction
28.
Km (kilometers) is a unit for...
a)
Speed
b)
Distance
c)
Time
d)
Direction
29.
Find the velocity of a plane that traveled 3000 miles west in 5 hours.
a)
65 mph west
b)
6 mph west
c)
600 mph west
d)
6000 mph west 
30.
An elevator traveled 15 floors (150 ft) at a speed of 4.5 m/s. What additional information is needed to determine the velocity of the elevator?
a)
the direction the elevator traveled
b)
how long the elevator was stationary
c)
how many times the elevator stopped
d)
the total distance the elevator traveled
31.
Acceleration is defined as the CHANGE in 
a)
time of motion to another place. 
b)
velocity 
c)
distance 
d)
speed
32.
What is the velocity of an object that travels 20 meters in 4 seconds North?
a)
80 m/s North
b)
5 m/s
c)
5 m/s North
d)
24 m/s
33.
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
34.
Which graph represents the greatest acceleration?
a)
A
b)
B
c)
C
d)
D
35.
Changes in our speed, direction or both are called _________.
a)
gravity
b)
changes
c)
acceleration
d)
displacement
36.

Which of the following correctly describes the motion?

a)

an object at rest

b)

an object at constant speed

c)

an object accelerating

d)

an object with changing velocity

37.

What is the average speed of the object in this graph?

a)

20 m/s

b)

8 m/s

c)

2.5 m/s

d)

0.4 m/s

38.

What acceleration results from 25N of force being applied to a 5kg ball?

a)

125 m/s2

b)

0.2 m/s2

c)

20 m/s2

d)

5 m/s2

39.

A 0.5 kg football experiences a 16 m/s2 acceleration when thrown. What force was applied on the football?

a)

32 N

b)

8 N

c)

15.5 N

d)

0.04 N

40.

If 2N of force accelerates a toy car 0.5 m/s2, how much force is required to accelerate the toy car 1.2 m/s2

a)

4.8N

b)

0.8N

c)

4N

d)

5.2N

41.
Which law says that for every action there is an equal and opposite reaction?
a)
Newton's First Law of Motion
b)
Newton's Second Law of Motion
c)
Newton's Third Law of Motion
d)
Newton's Fourth Law of Motion
42.
What is the formula to calculate speed?
a)
Speed = time/distance
b)
Speed = distance/time
c)
Speed = distance x time
d)
Speed = time x distance
43.
Calculate the average speed (in meter/sec) if a cheetah runs 180 meters in 10 seconds.
a)
198 m/sec
b)
170 m/sec
c)
12 m/sec
d)
18 m/sec
44.
A value that only has magnitude (a number)
a)
Scalar
b)
Vector
c)
Speed
d)
Velocity
45.
Of the following, which is a vector?
a)
Mass
b)
Time
c)
Speed
d)
Velocity
46.

Acceleration is ...

a)

the time it takes for one place to move to another place. 

b)

the speed of an object.

c)

the distance divided by the time interval 

d)

change in velocity divided by the time interval 

47.
Acceleration only takes place when things speed up. 
a)
True
b)
False
48.
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
49.

In which of the following graphs are both runners moving at the SAME speed?

a)

Graph A

b)

Graph B

c)

Graph C

d)

Graph D

50.

Which of the graphs shows that one of runners started 10 yards further ahead of the other?

a)

Graph A

b)

Graph B

c)

Graph C

d)

Graph D

51.
At which point(s) on the roller coaster is the gravitational potential energy at its maximum?
a)
A
b)
B
c)
C
d)
D
52.
At which point(s) on the roller coaster is the kinetic energy at its maximum?
a)
A
b)
B
c)
C
d)
D
53.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
54.
If an object moves from a high place to a lower place, will it gain or lose potential energy?
a)
lose
b)
gain
c)
neither
d)
both
55.

A cheetah can run briefly with a speed of 31.0 m/s. Suppose a cheetah with a mass of 47.0 kg runs at this speed. What is the cheetah’s kinetic energy?

a)

1457 Joules

b)

22,584 Joules

c)

15 Joules

d)

45,167Joules

56.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
57.

The statement that "the energy within a system remains constant and cannot be created or destroyed, only transformed" best sums up _________.

a)

Newton's Third Law

b)

Life

c)

Law of Conservation of Energy

d)

The scientific method

58.
What is kinetic energy?
a)
energy of work
b)
energy of motion
c)
energy of gravity
d)
energy of power
59.
Calculate the kinetic energy of a moving 4 kg object travelling at a velocity of 3 m/s.
a)
18 J
b)
36 J
c)
12 J
d)
6 J
60.
Can energy be destroyed?
a)
no
b)
yes
61.
Can energy be changed?
a)
yes
b)
no
62.
Energy can not be created or destroyed, only converted from one form to another.
a)
true
b)
false
63.
Which would have the greatest gravitational potential energy?
a)
A 4lb rat on a school desk
b)
A 45lb dog in an oak tree
c)
A 14 pound platypus on a swing
d)
A 45lb child on a bike
64.

How could you increase the gravitational potential energy of an object without changing its mass and gravity?

a)

Make the object larger

b)

Lower the object towards the ground

c)

Raise the object farther off the ground

d)

Allow the object to roll on the ground

65.

What is the value of the Earth's acceleration due to gravity (g)?

a)

9.8 m/s2

b)

100 m/s2

c)

25 m/s2

d)

3.14 m/s2

66.

Which of the following is the correct equation for calculating an object's gravitational potential energy?

a)

PE = mgh

b)

PE = mg / h

c)

PE = mg + h

d)

PE = gh

67.

What is the gravitational potential energy (GPE) of a 1 kilogram book that is 1 meter above the ground?

g = 9.8 m/s2

a)

9.8 Joules

b)

1.0 Joule

c)

0.10 Joule

d)

11.8 m/s2

68.

Lilly's cat ran through your yard. The cat has a mass of 5 kg. He is running at a speed of 3 m/s. What is the kinetic energy of the cat as he runs?

a)

8.5 J

b)

45 J

c)

7.5 J

d)

22.5 J

69.

Calculate the potential energy of a car with a mass of 2,500 kg that is on a hill 100 meters above sea level.

a)

250,000 J

b)

2,450,000 J

c)

2,451,663 J

d)

248 J

70.

Ty lifts a set of 1250kg weights a vertical distance of 2m in a weight lifting contest. What Potential Energy do the weights now possess?

a)

12,789 Joules

b)

24,500 Joules

c)

4,500 Joules

71.
A 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball. 
a)
55 kg*m/s
b)
100 kg*m/s
c)
250 kg*m/s
d)
500 kg*m/s
72.
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
73.
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.
74.
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
75.
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

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