Free Printable WORK & ENERGY REVIEW

1.

Niagara Falls is a good example of

a)

Kinetic energy being transformed into potential energy

b)

Potential energy being transformed into kinetic energy

c)

Energy being created

d)

Energy being destroyed

2.

Which has the most kinetic energy?

a)

a basketball rolling down a hill

b)

a bus stopped at the top of a hill

c)

a large truck driving down a hill

d)

a golf ball sitting at the top of the hill

3.

When riding a roller coaster, you go up and down many hills. When do you have the maximum potential energy?

a)

at the top of the hill

b)

as you go down each hill

c)

at the bottom of the each hill

d)

as you go up each hill

4.

A baguette is dropped off the top of the Eiffel Tower. What is true concerning of the mechanical energy of the ball as it falls?

a)

The potential energy of the baguette is conserved as it falls.

b)

The sum of the kinetic and potential energies of the baguette is a constant.

c)

The kinetic energy of the baguette is conserved as it falls.

d)

A) The total energy of the object increases as it falls since it gains speed.

5.

In which of the following situations is kinetic energy decreasing?

a)

A lit tinsel llama is dropped from a building.

b)

A satellite is moving in a circular orbit around the moon.

c)

A baseball is headed upward after being thrown up in the air.

d)

An elevator is moving upward at a constant velocity.

6.

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

7.

The SI unit in which kinetic energy is measured is

a)

Newton

b)

Kilogram

c)

Joules

d)

Metres per second

8.

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

9.

What is the Total Energy at the top?

a)

15,000 J

b)

3,750 J

c)

7,500 J

d)

11,250 J

10.

What is the KE 1/4th of the way down?

a)

15,000 J

b)

3,750 J

c)

7,500 J

d)

11,250 J

11.

What is the KE 1/2 of the way down?

a)

15,000 J

b)

3,750 J

c)

7,500 J

d)

11,250 J

12.

What is the KE at the bottom?

a)

15,000 J

b)

3,750 J

c)

7,500 J

d)

11,250 J

13.

At which point(s) on the roller coaster is the gravitational potential energy at its maximum?

a)

A

b)

B

c)

C

d)

D

14.

At which point(s) on the roller coaster is the kinetic energy at its maximum?

a)

A

b)

B

c)

C

d)

D

15.

What happens when the ball goes from the highest position to the lowest position

a)

PE and KE increases and decreases together

b)

Impossible to know without knowing the mass of the object

c)

the PE decreases while KE increases

16.

If 150 Joules of work is needed to move a box 10 meters, what force was used?

a)

1500 N

b)

15 N

c)

1.5 N

d)

150 N

17.

True or false: when the distance an object moves is zero the work done on the object is also zero.

a)

True

b)

False

18.

What is an example of a force?

a)

Energy

b)

Power

c)

Pressure

d)

Weight

19.

The amount of work done in a certain amount of time is known as

a)

work

b)

effort force

c)

resistance force

d)

power

20.

A 100 kg airplane is traveling in a resistance free atmosphere when it's engines suddenly cut out and it begins to fall. When the engines cut out, the plane was traveling at 250 m/s and was at an altitude of 10,000 m. What was the starting energy of the plane? (from the moment the engines cut out)

a)

Only gravitational potential energy

b)

Only kinetic energy

c)

Gravitational and kinetic energy combined

d)

It doesn't have any initial energy

21.

A 100 kg airplane is traveling in a resistance free atmosphere when it's engines suddenly cut out and it begins to fall. When the engines cut out, the plane was traveling at 250 m/s and was at an altitude of 10,000 m. What was the starting energy of the plane (exact number of joules)?

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WORK & ENERGY REVIEW

Total questions: 21

Worksheet time: 20mins

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