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Energy, Work, Power Review (Multiple Choice)

Total questions: 43

Worksheet time: 43mins

Name
Class
Date
1.

What are two things required for work to be done? Check all that apply.

a)

Force

b)

Distance

c)

Constant Speed

d)

Friction

2.

Which statement illustrates work done?

a)

A weightlifter holds a barbell above her head.

b)

A teacher applies a continuous force to a book, holding it flat.

c)

A student flicks a paper football and moves it over the edge of a table.

d)

A waiter carries a tray full of meals while listening to a customer.

3.

------ push and pull that makes change in motion.

a)

Work

b)

Force

c)

Motion

4.

Force × Distance = ----------

a)

Force

b)

Work

c)

Energy

5.

__________ is the ability to do work

a)

Displacement

b)

Power

c)

Energy

d)

Force

6.

________ is a method of transferring energy

a)

distance

b)

force

c)

energy

d)

work

7.

SI Unit of Energy

a)

Newton

b)

watts

c)

Joules

d)

meter

8.

What is the unit for work?

a)

Joules

b)

Newton

c)

Watts

9.

Which of the given pictures shows that work can not done?

a)
b)
c)
10.

Energy in the form of motion.

a)

mechanical energy

b)

potential energy

c)

kinetic energy

d)

momentum

11.

This is energy that is stored for later use.

a)

kinetic energy

b)

potential energy

c)

mechanical energy

d)

radiant energy

12.

What are the factors affect gravitational potential energy?

a)

Mass and Velocity

b)

Mass, Acceleration due to gravity, and Height

c)

Mass, Acceleration due to gravity and Time

13.

At which point of this roller coaster is the energy 1/2 kinetic and 1/2 potential?

a)

A

b)

B

c)

C

d)

D

14.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
15.
As mass increases, KE ...
a)
increases
b)
decreases
c)
stays the same
16.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
17.
What would have the greatest kinetic energy?
a)
A car driving down a hill.
b)
A person running down a hill. 
c)
A ball rolling down a hill. 
18.

Where would this tossed baseball have the least amount of kinetic energy?

a)

point W

b)

point X

c)

point y

d)

point z

19.
What kind of energy is in a stretched rubber band?
a)
Potential
b)
Kinetic
20.

At which point is potential energy greatest?

a)

W

b)

X

c)

Y

d)

Z

21.

What would 54N be an example of?

a)

work

b)

power

c)

distance

d)

force

22.

what would 14J be an example of?

a)

work

b)

distance

c)

time

d)

force

23.
The amount of work done in a certain amount of time is known as 
a)
work
b)
effort force
c)
resistance force 
d)
power
24.

If you increase your work and decrease your time, you will have

a)

more power

b)

less power

c)

same amount of power

d)

power rating can not be determined

25.

If you have the same work as someone, but in less time

a)

You are more powerful

b)

You are less powerful

c)

You have the same power

26.

Person A and Person B are both using the same amount of work to lift something. Person A takes half as much time to do it. Who has greater power.

a)

Person A

b)

Person B

27.
The unit of power is the...
a)
work
b)
watt
28.
The FARTHER you move an object, the more work you do.
a)
True
b)
False
29.
The more POWER you use to move an object, the more work you do. 
a)
True
b)
False
30.

You push against the back of your friends car that is stuck. You push and be become very tired, but the car does not move. Did you do work?

a)

Yes, work was done

b)

No, work wasn't done

31.
The amount of work done in a certain amount of time is known as 
a)
work
b)
effort force
c)
resistance force 
d)
power
32.
The SI Unit for Work
a)
Newton (N)
b)
Joule (J)
c)
Second (s)
d)
Watt (W)
33.
The SI Unit for Force
a)
Newton (N)
b)
Joule (J)
c)
Second (s)
d)
Watt (W)
34.

The SI Unit for Power

a)
Newton (N)
b)
Joule (J)
c)
Second (s)
d)
Watt (W)
35.
What is the formula for Work?
a)
E=mc2
b)
W= F x d
c)
P = W/T
36.
Which of these is a measurement of power?
a)
100 joules
b)
100 watts
c)
100 meters per second
d)
100 hertz
37.
What is the equation for calculating power?
a)
distance / time
b)
work x time
c)
work / time
d)
force x distance
38.

An object falling from 50m will have ___________ potential than an object falling from

30m.

a)

greater

b)

less

c)

equal

39.
What kind of energy is in a person climbing a ladder?
a)
Potential
b)
Kinetic
c)
Both
40.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
41.

What is the potential at the top?

a)

50 J

b)

25 J

c)

0 J

d)

100 J

42.

What is the kinetic energy half way down?

a)

50 J

b)

25 J

c)

0 J

d)

100 J

43.

What is the Total Energy at the bottom?

a)

50 J

b)

25 J

c)

0 J

d)

100 J

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